4056980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1861}}^1$

素因数の和:1979

約数の個数: 24

約数和(自身を含む): 8602440

約数和(自身を除く): 4545460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1861, 2180, 3722, 7444, 9305, 18610, 37220, 202849, 405698, 811396, 1014245, 2028490, 4056980]

約数ペア:

[(1, 4056980), (2, 2028490), (4, 1014245), (5, 811396), (10, 405698), (20, 202849), (109, 37220), (218, 18610), (436, 9305), (545, 7444), (1090, 3722), (1861, 2180)]