42816640

素因数分解:

$2^7\times 5^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 103275000

約数和(自身を除く): 60458360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 298, 320, 449, 596, 640, 745, 898, 1192, 1490, 1796, 2245, 2384, 2980, 3592, 4490, 4768, 5960, 7184, 8980, 9536, 11920, 14368, 17960, 19072, 23840, 28736, 35920, 47680, 57472, 66901, 71840, 95360, 133802, 143680, 267604, 287360, 334505, 535208, 669010, 1070416, 1338020, 2140832, 2676040, 4281664, 5352080, 8563328, 10704160, 21408320, 42816640]

約数ペア:

[(1, 42816640), (2, 21408320), (4, 10704160), (5, 8563328), (8, 5352080), (10, 4281664), (16, 2676040), (20, 2140832), (32, 1338020), (40, 1070416), (64, 669010), (80, 535208), (128, 334505), (149, 287360), (160, 267604), (298, 143680), (320, 133802), (449, 95360), (596, 71840), (640, 66901), (745, 57472), (898, 47680), (1192, 35920), (1490, 28736), (1796, 23840), (2245, 19072), (2384, 17960), (2980, 14368), (3592, 11920), (4490, 9536), (4768, 8980), (5960, 7184)]