499850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:794

約数の個数: 24

約数和(自身を含む): 1002540

約数和(自身を除く): 502690

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 769, 1538, 3845, 7690, 9997, 19225, 19994, 38450, 49985, 99970, 249925, 499850]

約数ペア:

[(1, 499850), (2, 249925), (5, 99970), (10, 49985), (13, 38450), (25, 19994), (26, 19225), (50, 9997), (65, 7690), (130, 3845), (325, 1538), (650, 769)]