81957710

素因数分解:

$2^1\times 5^1\times {\mathrm{2521}}^1\times {\mathrm{3251}}^1$

素因数の和:5779

約数の個数: 16

約数和(自身を含む): 147627792

約数和(自身を除く): 65670082

約数列:

[1, 2, 5, 10, 2521, 3251, 5042, 6502, 12605, 16255, 25210, 32510, 8195771, 16391542, 40978855, 81957710]

約数ペア:

[(1, 81957710), (2, 40978855), (5, 16391542), (10, 8195771), (2521, 32510), (3251, 25210), (5042, 16255), (6502, 12605)]