204060025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{27299}}^1$

素因数の和:27345

約数の個数: 24

約数和(自身を含む): 284356800

約数和(自身を除く): 80296775

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 7475, 27299, 136495, 354887, 627877, 682475, 1774435, 3139385, 8162401, 8872175, 15696925, 40812005, 204060025]

約数ペア:

[(1, 204060025), (5, 40812005), (13, 15696925), (23, 8872175), (25, 8162401), (65, 3139385), (115, 1774435), (299, 682475), (325, 627877), (575, 354887), (1495, 136495), (7475, 27299)]