78683540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{302629}}^1$

素因数の和:302651

約数の個数: 24

約数和(自身を含む): 177946440

約数和(自身を除く): 99262900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 302629, 605258, 1210516, 1513145, 3026290, 3934177, 6052580, 7868354, 15736708, 19670885, 39341770, 78683540]

約数ペア:

[(1, 78683540), (2, 39341770), (4, 19670885), (5, 15736708), (10, 7868354), (13, 6052580), (20, 3934177), (26, 3026290), (52, 1513145), (65, 1210516), (130, 605258), (260, 302629)]