8022220

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1901}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 16935408

約数和(自身を除く): 8913188

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 1901, 2110, 3802, 4220, 7604, 9505, 19010, 38020, 401111, 802222, 1604444, 2005555, 4011110, 8022220]

約数ペア:

[(1, 8022220), (2, 4011110), (4, 2005555), (5, 1604444), (10, 802222), (20, 401111), (211, 38020), (422, 19010), (844, 9505), (1055, 7604), (1901, 4220), (2110, 3802)]