2038403770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15680029}}^1$

素因数の和:15680049

約数の個数: 16

約数和(自身を含む): 3951367560

約数和(自身を除く): 1912963790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 15680029, 31360058, 78400145, 156800290, 203840377, 407680754, 1019201885, 2038403770]

約数ペア:

[(1, 2038403770), (2, 1019201885), (5, 407680754), (10, 203840377), (13, 156800290), (26, 78400145), (65, 31360058), (130, 15680029)]