5641025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1021}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 7983864

約数和(自身を除く): 2342839

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1021, 1105, 5105, 5525, 13273, 17357, 25525, 66365, 86785, 225641, 331825, 433925, 1128205, 5641025]

約数ペア:

[(1, 5641025), (5, 1128205), (13, 433925), (17, 331825), (25, 225641), (65, 86785), (85, 66365), (221, 25525), (325, 17357), (425, 13273), (1021, 5525), (1105, 5105)]