204580025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{14639}}^1$

素因数の和:14705

約数の個数: 24

約数和(自身を含む): 279565440

約数和(自身を除く): 74985415

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 2795, 13975, 14639, 73195, 190307, 365975, 629477, 951535, 3147385, 4757675, 8183201, 15736925, 40916005, 204580025]

約数ペア:

[(1, 204580025), (5, 40916005), (13, 15736925), (25, 8183201), (43, 4757675), (65, 3147385), (215, 951535), (325, 629477), (559, 365975), (1075, 190307), (2795, 73195), (13975, 14639)]