39453640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9049}}^1$

素因数の和:9169

約数の個数: 32

約数和(自身を含む): 89595000

約数和(自身を除く): 50141360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9049, 18098, 36196, 45245, 72392, 90490, 180980, 361960, 986341, 1972682, 3945364, 4931705, 7890728, 9863410, 19726820, 39453640]

約数ペア:

[(1, 39453640), (2, 19726820), (4, 9863410), (5, 7890728), (8, 4931705), (10, 3945364), (20, 1972682), (40, 986341), (109, 361960), (218, 180980), (436, 90490), (545, 72392), (872, 45245), (1090, 36196), (2180, 18098), (4360, 9049)]