802180

素因数分解:

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

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 1774080

約数和(自身を除く): 971900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2111, 4222, 8444, 10555, 21110, 40109, 42220, 80218, 160436, 200545, 401090, 802180]

約数ペア:

[(1, 802180), (2, 401090), (4, 200545), (5, 160436), (10, 80218), (19, 42220), (20, 40109), (38, 21110), (76, 10555), (95, 8444), (190, 4222), (380, 2111)]