2505625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:250

約数の個数: 20

約数和(自身を含む): 3311440

約数和(自身を除く): 805815

約数列:

[1, 5, 19, 25, 95, 125, 211, 475, 625, 1055, 2375, 4009, 5275, 11875, 20045, 26375, 100225, 131875, 501125, 2505625]

約数ペア:

[(1, 2505625), (5, 501125), (19, 131875), (25, 100225), (95, 26375), (125, 20045), (211, 11875), (475, 5275), (625, 4009), (1055, 2375)]