31305140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38177}}^1$

素因数の和:38227

約数の個数: 24

約数和(自身を含む): 67345992

約数和(自身を除く): 36040852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 38177, 76354, 152708, 190885, 381770, 763540, 1565257, 3130514, 6261028, 7826285, 15652570, 31305140]

約数ペア:

[(1, 31305140), (2, 15652570), (4, 7826285), (5, 6261028), (10, 3130514), (20, 1565257), (41, 763540), (82, 381770), (164, 190885), (205, 152708), (410, 76354), (820, 38177)]