858703840

素因数分解:

$2^5\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{2579}}^1$

素因数の和:4675

約数の個数: 48

約数和(自身を含む): 2030449680

約数和(自身を除く): 1171745840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2081, 2579, 4162, 5158, 8324, 10316, 10405, 12895, 16648, 20632, 20810, 25790, 33296, 41264, 41620, 51580, 66592, 82528, 83240, 103160, 166480, 206320, 332960, 412640, 5366899, 10733798, 21467596, 26834495, 42935192, 53668990, 85870384, 107337980, 171740768, 214675960, 429351920, 858703840]

約数ペア:

[(1, 858703840), (2, 429351920), (4, 214675960), (5, 171740768), (8, 107337980), (10, 85870384), (16, 53668990), (20, 42935192), (32, 26834495), (40, 21467596), (80, 10733798), (160, 5366899), (2081, 412640), (2579, 332960), (4162, 206320), (5158, 166480), (8324, 103160), (10316, 83240), (10405, 82528), (12895, 66592), (16648, 51580), (20632, 41620), (20810, 41264), (25790, 33296)]