131425060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{505481}}^1$

素因数の和:505503

約数の個数: 24

約数和(自身を含む): 297223416

約数和(自身を除く): 165798356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 505481, 1010962, 2021924, 2527405, 5054810, 6571253, 10109620, 13142506, 26285012, 32856265, 65712530, 131425060]

約数ペア:

[(1, 131425060), (2, 65712530), (4, 32856265), (5, 26285012), (10, 13142506), (13, 10109620), (20, 6571253), (26, 5054810), (52, 2527405), (65, 2021924), (130, 1010962), (260, 505481)]