87421360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{84059}}^1$

素因数の和:84085

約数の個数: 40

約数和(自身を含む): 218892240

約数和(自身を除く): 131470880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 84059, 168118, 336236, 420295, 672472, 840590, 1092767, 1344944, 1681180, 2185534, 3362360, 4371068, 5463835, 6724720, 8742136, 10927670, 17484272, 21855340, 43710680, 87421360]

約数ペア:

[(1, 87421360), (2, 43710680), (4, 21855340), (5, 17484272), (8, 10927670), (10, 8742136), (13, 6724720), (16, 5463835), (20, 4371068), (26, 3362360), (40, 2185534), (52, 1681180), (65, 1344944), (80, 1092767), (104, 840590), (130, 672472), (208, 420295), (260, 336236), (520, 168118), (1040, 84059)]