131916560

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11863}}^1$

素因数の和:12015

約数の個数: 40

約数和(自身を含む): 308938560

約数和(自身を除く): 177022000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 11863, 23726, 47452, 59315, 94904, 118630, 189808, 237260, 474520, 949040, 1648957, 3297914, 6595828, 8244785, 13191656, 16489570, 26383312, 32979140, 65958280, 131916560]

約数ペア:

[(1, 131916560), (2, 65958280), (4, 32979140), (5, 26383312), (8, 16489570), (10, 13191656), (16, 8244785), (20, 6595828), (40, 3297914), (80, 1648957), (139, 949040), (278, 474520), (556, 237260), (695, 189808), (1112, 118630), (1390, 94904), (2224, 59315), (2780, 47452), (5560, 23726), (11120, 11863)]