173645680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{166967}}^1$

素因数の和:166993

約数の個数: 40

約数和(自身を含む): 434784672

約数和(自身を除く): 261138992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 166967, 333934, 667868, 834835, 1335736, 1669670, 2170571, 2671472, 3339340, 4341142, 6678680, 8682284, 10852855, 13357360, 17364568, 21705710, 34729136, 43411420, 86822840, 173645680]

約数ペア:

[(1, 173645680), (2, 86822840), (4, 43411420), (5, 34729136), (8, 21705710), (10, 17364568), (13, 13357360), (16, 10852855), (20, 8682284), (26, 6678680), (40, 4341142), (52, 3339340), (65, 2671472), (80, 2170571), (104, 1669670), (130, 1335736), (208, 834835), (260, 667868), (520, 333934), (1040, 166967)]