79729780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{306653}}^1$

素因数の和:306675

約数の個数: 24

約数和(自身を含む): 180312552

約数和(自身を除く): 100582772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 306653, 613306, 1226612, 1533265, 3066530, 3986489, 6133060, 7972978, 15945956, 19932445, 39864890, 79729780]

約数ペア:

[(1, 79729780), (2, 39864890), (4, 19932445), (5, 15945956), (10, 7972978), (13, 6133060), (20, 3986489), (26, 3066530), (52, 1533265), (65, 1226612), (130, 613306), (260, 306653)]