827696525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{4139}}^1$

素因数の和:4589

約数の個数: 24

約数和(自身を含む): 1083189600

約数和(自身を除く): 255493075

約数列:

[1, 5, 19, 25, 95, 421, 475, 2105, 4139, 7999, 10525, 20695, 39995, 78641, 103475, 199975, 393205, 1742519, 1966025, 8712595, 33107861, 43562975, 165539305, 827696525]

約数ペア:

[(1, 827696525), (5, 165539305), (19, 43562975), (25, 33107861), (95, 8712595), (421, 1966025), (475, 1742519), (2105, 393205), (4139, 199975), (7999, 103475), (10525, 78641), (20695, 39995)]