86961680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83617}}^1$

素因数の和:83643

約数の個数: 40

約数和(自身を含む): 217741272

約数和(自身を除く): 130779592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 83617, 167234, 334468, 418085, 668936, 836170, 1087021, 1337872, 1672340, 2174042, 3344680, 4348084, 5435105, 6689360, 8696168, 10870210, 17392336, 21740420, 43480840, 86961680]

約数ペア:

[(1, 86961680), (2, 43480840), (4, 21740420), (5, 17392336), (8, 10870210), (10, 8696168), (13, 6689360), (16, 5435105), (20, 4348084), (26, 3344680), (40, 2174042), (52, 1672340), (65, 1337872), (80, 1087021), (104, 836170), (130, 668936), (208, 418085), (260, 334468), (520, 167234), (1040, 83617)]