28245969920

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25423}}^1$

素因数の和:25486

約数の個数: 176

約数和(自身を含む): 79937937408

約数和(自身を除く): 51691967488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 620, 640, 868, 896, 992, 1024, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2480, 2560, 3472, 3584, 3968, 4340, 4480, 4960, 5120, 6944, 7168, 7936, 8680, 8960, 9920, 13888, 15872, 17360, 17920, 19840, 25423, 27776, 31744, 34720, 35840, 39680, 50846, 55552, 69440, 79360, 101692, 111104, 127115, 138880, 158720, 177961, 203384, 222208, 254230, 277760, 355922, 406768, 508460, 555520, 711844, 788113, 813536, 889805, 1016920, 1111040, 1423688, 1576226, 1627072, 1779610, 2033840, 2847376, 3152452, 3254144, 3559220, 3940565, 4067680, 5516791, 5694752, 6304904, 6508288, 7118440, 7881130, 8135360, 11033582, 11389504, 12609808, 13016576, 14236880, 15762260, 16270720, 22067164, 22779008, 25219616, 26033152, 27583955, 28473760, 31524520, 32541440, 44134328, 45558016, 50439232, 55167910, 56947520, 63049040, 65082880, 88268656, 91116032, 100878464, 110335820, 113895040, 126098080, 130165760, 176537312, 182232064, 201756928, 220671640, 227790080, 252196160, 353074624, 403513856, 441343280, 455580160, 504392320, 706149248, 807027712, 882686560, 911160320, 1008784640, 1412298496, 1765373120, 2017569280, 2824596992, 3530746240, 4035138560, 5649193984, 7061492480, 14122984960, 28245969920]

約数ペア:

[(1, 28245969920), (2, 14122984960), (4, 7061492480), (5, 5649193984), (7, 4035138560), (8, 3530746240), (10, 2824596992), (14, 2017569280), (16, 1765373120), (20, 1412298496), (28, 1008784640), (31, 911160320), (32, 882686560), (35, 807027712), (40, 706149248), (56, 504392320), (62, 455580160), (64, 441343280), (70, 403513856), (80, 353074624), (112, 252196160), (124, 227790080), (128, 220671640), (140, 201756928), (155, 182232064), (160, 176537312), (217, 130165760), (224, 126098080), (248, 113895040), (256, 110335820), (280, 100878464), (310, 91116032), (320, 88268656), (434, 65082880), (448, 63049040), (496, 56947520), (512, 55167910), (560, 50439232), (620, 45558016), (640, 44134328), (868, 32541440), (896, 31524520), (992, 28473760), (1024, 27583955), (1085, 26033152), (1120, 25219616), (1240, 22779008), (1280, 22067164), (1736, 16270720), (1792, 15762260), (1984, 14236880), (2170, 13016576), (2240, 12609808), (2480, 11389504), (2560, 11033582), (3472, 8135360), (3584, 7881130), (3968, 7118440), (4340, 6508288), (4480, 6304904), (4960, 5694752), (5120, 5516791), (6944, 4067680), (7168, 3940565), (7936, 3559220), (8680, 3254144), (8960, 3152452), (9920, 2847376), (13888, 2033840), (15872, 1779610), (17360, 1627072), (17920, 1576226), (19840, 1423688), (25423, 1111040), (27776, 1016920), (31744, 889805), (34720, 813536), (35840, 788113), (39680, 711844), (50846, 555520), (55552, 508460), (69440, 406768), (79360, 355922), (101692, 277760), (111104, 254230), (127115, 222208), (138880, 203384), (158720, 177961)]