23100025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 33841584

約数和(自身を除く): 10741559

約数列:

[1, 5, 13, 17, 25, 37, 65, 85, 113, 185, 221, 325, 425, 481, 565, 629, 925, 1105, 1469, 1921, 2405, 2825, 3145, 4181, 5525, 7345, 8177, 9605, 12025, 15725, 20905, 24973, 36725, 40885, 48025, 54353, 71077, 104525, 124865, 204425, 271765, 355385, 624325, 924001, 1358825, 1776925, 4620005, 23100025]

約数ペア:

[(1, 23100025), (5, 4620005), (13, 1776925), (17, 1358825), (25, 924001), (37, 624325), (65, 355385), (85, 271765), (113, 204425), (185, 124865), (221, 104525), (325, 71077), (425, 54353), (481, 48025), (565, 40885), (629, 36725), (925, 24973), (1105, 20905), (1469, 15725), (1921, 12025), (2405, 9605), (2825, 8177), (3145, 7345), (4181, 5525)]