127795960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{29311}}^1$

素因数の和:29431

約数の個数: 32

約数和(自身を含む): 290188800

約数和(自身を除く): 162392840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 29311, 58622, 117244, 146555, 234488, 293110, 586220, 1172440, 3194899, 6389798, 12779596, 15974495, 25559192, 31948990, 63897980, 127795960]

約数ペア:

[(1, 127795960), (2, 63897980), (4, 31948990), (5, 25559192), (8, 15974495), (10, 12779596), (20, 6389798), (40, 3194899), (109, 1172440), (218, 586220), (436, 293110), (545, 234488), (872, 146555), (1090, 117244), (2180, 58622), (4360, 29311)]