2580798025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{21997}}^1$

素因数の和:22058

約数の個数: 36

約数和(自身を含む): 3637457292

約数和(自身を除く): 1056659267

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 361, 475, 1235, 1805, 4693, 6175, 9025, 21997, 23465, 109985, 117325, 285961, 417943, 549925, 1429805, 2089715, 5433259, 7149025, 7940917, 10448575, 27166295, 39704585, 103231921, 135831475, 198522925, 516159605, 2580798025]

約数ペア:

[(1, 2580798025), (5, 516159605), (13, 198522925), (19, 135831475), (25, 103231921), (65, 39704585), (95, 27166295), (247, 10448575), (325, 7940917), (361, 7149025), (475, 5433259), (1235, 2089715), (1805, 1429805), (4693, 549925), (6175, 417943), (9025, 285961), (21997, 117325), (23465, 109985)]