49857920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:416

約数の個数: 128

約数和(自身を含む): 141004800

約数和(自身を除く): 91146880

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, 280, 310, 320, 359, 434, 448, 496, 560, 620, 640, 718, 868, 896, 992, 1085, 1120, 1240, 1436, 1736, 1795, 1984, 2170, 2240, 2480, 2513, 2872, 3472, 3590, 3968, 4340, 4480, 4960, 5026, 5744, 6944, 7180, 8680, 9920, 10052, 11129, 11488, 12565, 13888, 14360, 17360, 19840, 20104, 22258, 22976, 25130, 27776, 28720, 34720, 40208, 44516, 45952, 50260, 55645, 57440, 69440, 77903, 80416, 89032, 100520, 111290, 114880, 138880, 155806, 160832, 178064, 201040, 222580, 229760, 311612, 321664, 356128, 389515, 402080, 445160, 623224, 712256, 779030, 804160, 890320, 1246448, 1424512, 1558060, 1608320, 1780640, 2492896, 3116120, 3561280, 4985792, 6232240, 7122560, 9971584, 12464480, 24928960, 49857920]

約数ペア:

[(1, 49857920), (2, 24928960), (4, 12464480), (5, 9971584), (7, 7122560), (8, 6232240), (10, 4985792), (14, 3561280), (16, 3116120), (20, 2492896), (28, 1780640), (31, 1608320), (32, 1558060), (35, 1424512), (40, 1246448), (56, 890320), (62, 804160), (64, 779030), (70, 712256), (80, 623224), (112, 445160), (124, 402080), (128, 389515), (140, 356128), (155, 321664), (160, 311612), (217, 229760), (224, 222580), (248, 201040), (280, 178064), (310, 160832), (320, 155806), (359, 138880), (434, 114880), (448, 111290), (496, 100520), (560, 89032), (620, 80416), (640, 77903), (718, 69440), (868, 57440), (896, 55645), (992, 50260), (1085, 45952), (1120, 44516), (1240, 40208), (1436, 34720), (1736, 28720), (1795, 27776), (1984, 25130), (2170, 22976), (2240, 22258), (2480, 20104), (2513, 19840), (2872, 17360), (3472, 14360), (3590, 13888), (3968, 12565), (4340, 11488), (4480, 11129), (4960, 10052), (5026, 9920), (5744, 8680), (6944, 7180)]