9987850

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3769}}^1$

素因数の和:3834

約数の個数: 24

約数和(自身を含む): 18932940

約数和(自身を除く): 8945090

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 3769, 7538, 18845, 37690, 94225, 188450, 199757, 399514, 998785, 1997570, 4993925, 9987850]

約数ペア:

[(1, 9987850), (2, 4993925), (5, 1997570), (10, 998785), (25, 399514), (50, 199757), (53, 188450), (106, 94225), (265, 37690), (530, 18845), (1325, 7538), (2650, 3769)]