64726840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55799}}^1$

素因数の和:55839

約数の個数: 32

約数和(自身を含む): 150660000

約数和(自身を除く): 85933160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 55799, 111598, 223196, 278995, 446392, 557990, 1115980, 1618171, 2231960, 3236342, 6472684, 8090855, 12945368, 16181710, 32363420, 64726840]

約数ペア:

[(1, 64726840), (2, 32363420), (4, 16181710), (5, 12945368), (8, 8090855), (10, 6472684), (20, 3236342), (29, 2231960), (40, 1618171), (58, 1115980), (116, 557990), (145, 446392), (232, 278995), (290, 223196), (580, 111598), (1160, 55799)]