79423780

素因数分解:

$2^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{2089}}^1$

素因数の和:3999

約数の個数: 24

約数和(自身を含む): 166957560

約数和(自身を除く): 87533780

約数列:

[1, 2, 4, 5, 10, 20, 1901, 2089, 3802, 4178, 7604, 8356, 9505, 10445, 19010, 20890, 38020, 41780, 3971189, 7942378, 15884756, 19855945, 39711890, 79423780]

約数ペア:

[(1, 79423780), (2, 39711890), (4, 19855945), (5, 15884756), (10, 7942378), (20, 3971189), (1901, 41780), (2089, 38020), (3802, 20890), (4178, 19010), (7604, 10445), (8356, 9505)]