87002890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{51481}}^1$

素因数の和:51514

約数の個数: 24

約数和(自身を含む): 169581708

約数和(自身を除く): 82578818

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 51481, 102962, 257405, 514810, 669253, 1338506, 3346265, 6692530, 8700289, 17400578, 43501445, 87002890]

約数ペア:

[(1, 87002890), (2, 43501445), (5, 17400578), (10, 8700289), (13, 6692530), (26, 3346265), (65, 1338506), (130, 669253), (169, 514810), (338, 257405), (845, 102962), (1690, 51481)]