260700625

素因数分解:

$5^4\times {\mathrm{449}}^1\times {\mathrm{929}}^1$

素因数の和:1398

約数の個数: 20

約数和(自身を含む): 326848500

約数和(自身を除く): 66147875

約数列:

[1, 5, 25, 125, 449, 625, 929, 2245, 4645, 11225, 23225, 56125, 116125, 280625, 417121, 580625, 2085605, 10428025, 52140125, 260700625]

約数ペア:

[(1, 260700625), (5, 52140125), (25, 10428025), (125, 2085605), (449, 580625), (625, 417121), (929, 280625), (2245, 116125), (4645, 56125), (11225, 23225)]