2890449920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18211}}^1$

素因数の和:18267

約数の個数: 88

約数和(自身を含む): 7157753088

約数和(自身を除く): 4267303168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 5120, 7936, 9920, 15872, 18211, 19840, 31744, 36422, 39680, 72844, 79360, 91055, 145688, 158720, 182110, 291376, 364220, 564541, 582752, 728440, 1129082, 1165504, 1456880, 2258164, 2331008, 2822705, 2913760, 4516328, 4662016, 5645410, 5827520, 9032656, 9324032, 11290820, 11655040, 18065312, 18648064, 22581640, 23310080, 36130624, 45163280, 46620160, 72261248, 90326560, 93240320, 144522496, 180653120, 289044992, 361306240, 578089984, 722612480, 1445224960, 2890449920]

約数ペア:

[(1, 2890449920), (2, 1445224960), (4, 722612480), (5, 578089984), (8, 361306240), (10, 289044992), (16, 180653120), (20, 144522496), (31, 93240320), (32, 90326560), (40, 72261248), (62, 46620160), (64, 45163280), (80, 36130624), (124, 23310080), (128, 22581640), (155, 18648064), (160, 18065312), (248, 11655040), (256, 11290820), (310, 9324032), (320, 9032656), (496, 5827520), (512, 5645410), (620, 4662016), (640, 4516328), (992, 2913760), (1024, 2822705), (1240, 2331008), (1280, 2258164), (1984, 1456880), (2480, 1165504), (2560, 1129082), (3968, 728440), (4960, 582752), (5120, 564541), (7936, 364220), (9920, 291376), (15872, 182110), (18211, 158720), (19840, 145688), (31744, 91055), (36422, 79360), (39680, 72844)]