129399115

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{4999}}^1$

素因数の和:5202

約数の個数: 16

約数和(自身を含む): 161280000

約数和(自身を除く): 31880885

約数列:

[1, 5, 31, 155, 167, 835, 4999, 5177, 24995, 25885, 154969, 774845, 834833, 4174165, 25879823, 129399115]

約数ペア:

[(1, 129399115), (5, 25879823), (31, 4174165), (155, 834833), (167, 774845), (835, 154969), (4999, 25885), (5177, 24995)]