40960100

素因数分解:

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

素因数の和:2912

約数の個数: 36

約数和(自身を含む): 89512500

約数和(自身を除く): 48552400

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 149, 298, 596, 745, 1490, 2749, 2980, 3725, 5498, 7450, 10996, 13745, 14900, 27490, 54980, 68725, 137450, 274900, 409601, 819202, 1638404, 2048005, 4096010, 8192020, 10240025, 20480050, 40960100]

約数ペア:

[(1, 40960100), (2, 20480050), (4, 10240025), (5, 8192020), (10, 4096010), (20, 2048005), (25, 1638404), (50, 819202), (100, 409601), (149, 274900), (298, 137450), (596, 68725), (745, 54980), (1490, 27490), (2749, 14900), (2980, 13745), (3725, 10996), (5498, 7450)]