31190380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{119963}}^1$

素因数の和:119985

約数の個数: 24

約数和(自身を含む): 70538832

約数和(自身を除く): 39348452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 119963, 239926, 479852, 599815, 1199630, 1559519, 2399260, 3119038, 6238076, 7797595, 15595190, 31190380]

約数ペア:

[(1, 31190380), (2, 15595190), (4, 7797595), (5, 6238076), (10, 3119038), (13, 2399260), (20, 1559519), (26, 1199630), (52, 599815), (65, 479852), (130, 239926), (260, 119963)]