25331540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97429}}^1$

素因数の和:97451

約数の個数: 24

約数和(自身を含む): 57288840

約数和(自身を除く): 31957300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 97429, 194858, 389716, 487145, 974290, 1266577, 1948580, 2533154, 5066308, 6332885, 12665770, 25331540]

約数ペア:

[(1, 25331540), (2, 12665770), (4, 6332885), (5, 5066308), (10, 2533154), (13, 1948580), (20, 1266577), (26, 974290), (52, 487145), (65, 389716), (130, 194858), (260, 97429)]