1880495560

素因数分解:

$2^3\times 5^1\times {\mathrm{3943}}^1\times {\mathrm{11923}}^1$

素因数の和:15877

約数の個数: 32

約数和(自身を含む): 4232543040

約数和(自身を除く): 2352047480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3943, 7886, 11923, 15772, 19715, 23846, 31544, 39430, 47692, 59615, 78860, 95384, 119230, 157720, 238460, 476920, 47012389, 94024778, 188049556, 235061945, 376099112, 470123890, 940247780, 1880495560]

約数ペア:

[(1, 1880495560), (2, 940247780), (4, 470123890), (5, 376099112), (8, 235061945), (10, 188049556), (20, 94024778), (40, 47012389), (3943, 476920), (7886, 238460), (11923, 157720), (15772, 119230), (19715, 95384), (23846, 78860), (31544, 59615), (39430, 47692)]