83706740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{321949}}^1$

素因数の和:321971

約数の個数: 24

約数和(自身を含む): 189306600

約数和(自身を除く): 105599860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 321949, 643898, 1287796, 1609745, 3219490, 4185337, 6438980, 8370674, 16741348, 20926685, 41853370, 83706740]

約数ペア:

[(1, 83706740), (2, 41853370), (4, 20926685), (5, 16741348), (10, 8370674), (13, 6438980), (20, 4185337), (26, 3219490), (52, 1609745), (65, 1287796), (130, 643898), (260, 321949)]