202123025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{1093}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 270633720

約数和(自身を除く): 68510695

約数列:

[1, 5, 13, 25, 65, 325, 569, 1093, 2845, 5465, 7397, 14209, 14225, 27325, 36985, 71045, 184925, 355225, 621917, 3109585, 8084921, 15547925, 40424605, 202123025]

約数ペア:

[(1, 202123025), (5, 40424605), (13, 15547925), (25, 8084921), (65, 3109585), (325, 621917), (569, 355225), (1093, 184925), (2845, 71045), (5465, 36985), (7397, 27325), (14209, 14225)]