8908160

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 22032000

約数和(自身を除く): 13123840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 449, 496, 620, 640, 898, 992, 1240, 1796, 1984, 2245, 2480, 3592, 3968, 4490, 4960, 7184, 8980, 9920, 13919, 14368, 17960, 19840, 27838, 28736, 35920, 55676, 57472, 69595, 71840, 111352, 139190, 143680, 222704, 278380, 287360, 445408, 556760, 890816, 1113520, 1781632, 2227040, 4454080, 8908160]

約数ペア:

[(1, 8908160), (2, 4454080), (4, 2227040), (5, 1781632), (8, 1113520), (10, 890816), (16, 556760), (20, 445408), (31, 287360), (32, 278380), (40, 222704), (62, 143680), (64, 139190), (80, 111352), (124, 71840), (128, 69595), (155, 57472), (160, 55676), (248, 35920), (310, 28736), (320, 27838), (449, 19840), (496, 17960), (620, 14368), (640, 13919), (898, 9920), (992, 8980), (1240, 7184), (1796, 4960), (1984, 4490), (2245, 3968), (2480, 3592)]