9921920

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 24418800

約数和(自身を除く): 14496880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 419, 592, 640, 740, 838, 1184, 1480, 1676, 2095, 2368, 2960, 3352, 4190, 4736, 5920, 6704, 8380, 11840, 13408, 15503, 16760, 23680, 26816, 31006, 33520, 53632, 62012, 67040, 77515, 124024, 134080, 155030, 248048, 268160, 310060, 496096, 620120, 992192, 1240240, 1984384, 2480480, 4960960, 9921920]

約数ペア:

[(1, 9921920), (2, 4960960), (4, 2480480), (5, 1984384), (8, 1240240), (10, 992192), (16, 620120), (20, 496096), (32, 310060), (37, 268160), (40, 248048), (64, 155030), (74, 134080), (80, 124024), (128, 77515), (148, 67040), (160, 62012), (185, 53632), (296, 33520), (320, 31006), (370, 26816), (419, 23680), (592, 16760), (640, 15503), (740, 13408), (838, 11840), (1184, 8380), (1480, 6704), (1676, 5920), (2095, 4736), (2368, 4190), (2960, 3352)]