20480050

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2749}}^1$

素因数の和:2910

約数の個数: 24

約数和(自身を含む): 38362500

約数和(自身を除く): 17882450

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 1490, 2749, 3725, 5498, 7450, 13745, 27490, 68725, 137450, 409601, 819202, 2048005, 4096010, 10240025, 20480050]

約数ペア:

[(1, 20480050), (2, 10240025), (5, 4096010), (10, 2048005), (25, 819202), (50, 409601), (149, 137450), (298, 68725), (745, 27490), (1490, 13745), (2749, 7450), (3725, 5498)]