4495160

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1031}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 10216800

約数和(自身を除く): 5721640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1031, 1090, 2062, 2180, 4124, 4360, 5155, 8248, 10310, 20620, 41240, 112379, 224758, 449516, 561895, 899032, 1123790, 2247580, 4495160]

約数ペア:

[(1, 4495160), (2, 2247580), (4, 1123790), (5, 899032), (8, 561895), (10, 449516), (20, 224758), (40, 112379), (109, 41240), (218, 20620), (436, 10310), (545, 8248), (872, 5155), (1031, 4360), (1090, 4124), (2062, 2180)]