40986985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1621}}^1$

素因数の和:2028

約数の個数: 16

約数和(自身を含む): 53136720

約数和(自身を除く): 12149735

約数列:

[1, 5, 13, 65, 389, 1621, 1945, 5057, 8105, 21073, 25285, 105365, 630569, 3152845, 8197397, 40986985]

約数ペア:

[(1, 40986985), (5, 8197397), (13, 3152845), (65, 630569), (389, 105365), (1621, 25285), (1945, 21073), (5057, 8105)]