16206156920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9881803}}^1$

素因数の和:9881855

約数の個数: 32

約数和(自身を含む): 37353219120

約数和(自身を除く): 21147062200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 9881803, 19763606, 39527212, 49409015, 79054424, 98818030, 197636060, 395272120, 405153923, 810307846, 1620615692, 2025769615, 3241231384, 4051539230, 8103078460, 16206156920]

約数ペア:

[(1, 16206156920), (2, 8103078460), (4, 4051539230), (5, 3241231384), (8, 2025769615), (10, 1620615692), (20, 810307846), (40, 405153923), (41, 395272120), (82, 197636060), (164, 98818030), (205, 79054424), (328, 49409015), (410, 39527212), (820, 19763606), (1640, 9881803)]