79286740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{304949}}^1$

素因数の和:304971

約数の個数: 24

約数和(自身を含む): 179310600

約数和(自身を除く): 100023860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 304949, 609898, 1219796, 1524745, 3049490, 3964337, 6098980, 7928674, 15857348, 19821685, 39643370, 79286740]

約数ペア:

[(1, 79286740), (2, 39643370), (4, 19821685), (5, 15857348), (10, 7928674), (13, 6098980), (20, 3964337), (26, 3049490), (52, 1524745), (65, 1219796), (130, 609898), (260, 304949)]