17917640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34457}}^1$

素因数の和:34481

約数の個数: 32

約数和(自身を含む): 43417080

約数和(自身を除く): 25499440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34457, 68914, 137828, 172285, 275656, 344570, 447941, 689140, 895882, 1378280, 1791764, 2239705, 3583528, 4479410, 8958820, 17917640]

約数ペア:

[(1, 17917640), (2, 8958820), (4, 4479410), (5, 3583528), (8, 2239705), (10, 1791764), (13, 1378280), (20, 895882), (26, 689140), (40, 447941), (52, 344570), (65, 275656), (104, 172285), (130, 137828), (260, 68914), (520, 34457)]