79869820

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{4649}}^1$

素因数の和:5517

約数の個数: 24

約数和(自身を含む): 167958000

約数和(自身を除く): 88088180

約数列:

[1, 2, 4, 5, 10, 20, 859, 1718, 3436, 4295, 4649, 8590, 9298, 17180, 18596, 23245, 46490, 92980, 3993491, 7986982, 15973964, 19967455, 39934910, 79869820]

約数ペア:

[(1, 79869820), (2, 39934910), (4, 19967455), (5, 15973964), (10, 7986982), (20, 3993491), (859, 92980), (1718, 46490), (3436, 23245), (4295, 18596), (4649, 17180), (8590, 9298)]