2080025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 2827200

約数和(自身を除く): 747175

約数列:

[1, 5, 19, 25, 29, 95, 145, 151, 475, 551, 725, 755, 2755, 2869, 3775, 4379, 13775, 14345, 21895, 71725, 83201, 109475, 416005, 2080025]

約数ペア:

[(1, 2080025), (5, 416005), (19, 109475), (25, 83201), (29, 71725), (95, 21895), (145, 14345), (151, 13775), (475, 4379), (551, 3775), (725, 2869), (755, 2755)]