38642840

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2549}}^1$

素因数の和:2939

約数の個数: 32

約数和(自身を含む): 87210000

約数和(自身を除く): 48567160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 2549, 3032, 3790, 5098, 7580, 10196, 12745, 15160, 20392, 25490, 50980, 101960, 966071, 1932142, 3864284, 4830355, 7728568, 9660710, 19321420, 38642840]

約数ペア:

[(1, 38642840), (2, 19321420), (4, 9660710), (5, 7728568), (8, 4830355), (10, 3864284), (20, 1932142), (40, 966071), (379, 101960), (758, 50980), (1516, 25490), (1895, 20392), (2549, 15160), (3032, 12745), (3790, 10196), (5098, 7580)]