31312940

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1907}}^1$

素因数の和:2737

約数の個数: 24

約数和(自身を含む): 65871792

約数和(自身を除く): 34558852

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 1907, 3284, 3814, 4105, 7628, 8210, 9535, 16420, 19070, 38140, 1565647, 3131294, 6262588, 7828235, 15656470, 31312940]

約数ペア:

[(1, 31312940), (2, 15656470), (4, 7828235), (5, 6262588), (10, 3131294), (20, 1565647), (821, 38140), (1642, 19070), (1907, 16420), (3284, 9535), (3814, 8210), (4105, 7628)]