85420400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16427}}^1$

素因数の和:16458

約数の個数: 60

約数和(自身を含む): 221022312

約数和(自身を除く): 135601912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 16427, 32854, 65708, 82135, 131416, 164270, 213551, 262832, 328540, 410675, 427102, 657080, 821350, 854204, 1067755, 1314160, 1642700, 1708408, 2135510, 3285400, 3416816, 4271020, 5338775, 6570800, 8542040, 10677550, 17084080, 21355100, 42710200, 85420400]

約数ペア:

[(1, 85420400), (2, 42710200), (4, 21355100), (5, 17084080), (8, 10677550), (10, 8542040), (13, 6570800), (16, 5338775), (20, 4271020), (25, 3416816), (26, 3285400), (40, 2135510), (50, 1708408), (52, 1642700), (65, 1314160), (80, 1067755), (100, 854204), (104, 821350), (130, 657080), (200, 427102), (208, 410675), (260, 328540), (325, 262832), (400, 213551), (520, 164270), (650, 131416), (1040, 82135), (1300, 65708), (2600, 32854), (5200, 16427)]