25513540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98129}}^1$

素因数の和:98151

約数の個数: 24

約数和(自身を含む): 57700440

約数和(自身を除く): 32186900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98129, 196258, 392516, 490645, 981290, 1275677, 1962580, 2551354, 5102708, 6378385, 12756770, 25513540]

約数ペア:

[(1, 25513540), (2, 12756770), (4, 6378385), (5, 5102708), (10, 2551354), (13, 1962580), (20, 1275677), (26, 981290), (52, 490645), (65, 392516), (130, 196258), (260, 98129)]