16740646075

素因数分解:

$5^2\times {\mathrm{409}}^2\times {\mathrm{4003}}^1$

素因数の和:4831

約数の個数: 18

約数和(自身を含む): 20814477684

約数和(自身を除く): 4073831609

約数列:

[1, 5, 25, 409, 2045, 4003, 10225, 20015, 100075, 167281, 836405, 1637227, 4182025, 8186135, 40930675, 669625843, 3348129215, 16740646075]

約数ペア:

[(1, 16740646075), (5, 3348129215), (25, 669625843), (409, 40930675), (2045, 8186135), (4003, 4182025), (10225, 1637227), (20015, 836405), (100075, 167281)]