38964220

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4339}}^1$

素因数の和:4797

約数の個数: 24

約数和(自身を含む): 82026000

約数和(自身を除く): 43061780

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4339, 4490, 8678, 8980, 17356, 21695, 43390, 86780, 1948211, 3896422, 7792844, 9741055, 19482110, 38964220]

約数ペア:

[(1, 38964220), (2, 19482110), (4, 9741055), (5, 7792844), (10, 3896422), (20, 1948211), (449, 86780), (898, 43390), (1796, 21695), (2245, 17356), (4339, 8980), (4490, 8678)]