8021800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 19641600

約数和(自身を除く): 11619800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 2111, 3800, 4222, 8444, 10555, 16888, 21110, 40109, 42220, 52775, 80218, 84440, 105550, 160436, 200545, 211100, 320872, 401090, 422200, 802180, 1002725, 1604360, 2005450, 4010900, 8021800]

約数ペア:

[(1, 8021800), (2, 4010900), (4, 2005450), (5, 1604360), (8, 1002725), (10, 802180), (19, 422200), (20, 401090), (25, 320872), (38, 211100), (40, 200545), (50, 160436), (76, 105550), (95, 84440), (100, 80218), (152, 52775), (190, 42220), (200, 40109), (380, 21110), (475, 16888), (760, 10555), (950, 8444), (1900, 4222), (2111, 3800)]