65864240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63331}}^1$

素因数の和:63357

約数の個数: 40

約数和(自身を含む): 164916528

約数和(自身を除く): 99052288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63331, 126662, 253324, 316655, 506648, 633310, 823303, 1013296, 1266620, 1646606, 2533240, 3293212, 4116515, 5066480, 6586424, 8233030, 13172848, 16466060, 32932120, 65864240]

約数ペア:

[(1, 65864240), (2, 32932120), (4, 16466060), (5, 13172848), (8, 8233030), (10, 6586424), (13, 5066480), (16, 4116515), (20, 3293212), (26, 2533240), (40, 1646606), (52, 1266620), (65, 1013296), (80, 823303), (104, 633310), (130, 506648), (208, 316655), (260, 253324), (520, 126662), (1040, 63331)]