2011504375

素因数分解:

$5^4\times {\mathrm{509}}^1\times {\mathrm{6323}}^1$

素因数の和:6852

約数の個数: 20

約数和(自身を含む): 2518912440

約数和(自身を除く): 507408065

約数列:

[1, 5, 25, 125, 509, 625, 2545, 6323, 12725, 31615, 63625, 158075, 318125, 790375, 3218407, 3951875, 16092035, 80460175, 402300875, 2011504375]

約数ペア:

[(1, 2011504375), (5, 402300875), (25, 80460175), (125, 16092035), (509, 3951875), (625, 3218407), (2545, 790375), (6323, 318125), (12725, 158075), (31615, 63625)]