2016313840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{319037}}^1$

素因数の和:319129

約数の個数: 40

約数和(自身を含む): 4747285440

約数和(自身を除く): 2730971600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 319037, 638074, 1276148, 1595185, 2552296, 3190370, 5104592, 6380740, 12761480, 25203923, 25522960, 50407846, 100815692, 126019615, 201631384, 252039230, 403262768, 504078460, 1008156920, 2016313840]

約数ペア:

[(1, 2016313840), (2, 1008156920), (4, 504078460), (5, 403262768), (8, 252039230), (10, 201631384), (16, 126019615), (20, 100815692), (40, 50407846), (79, 25522960), (80, 25203923), (158, 12761480), (316, 6380740), (395, 5104592), (632, 3190370), (790, 2552296), (1264, 1595185), (1580, 1276148), (3160, 638074), (6320, 319037)]