520045880

素因数分解:

$2^3\times 5^1\times {\mathrm{13001147}}^1$

素因数の和:13001158

約数の個数: 16

約数和(自身を含む): 1170103320

約数和(自身を除く): 650057440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13001147, 26002294, 52004588, 65005735, 104009176, 130011470, 260022940, 520045880]

約数ペア:

[(1, 520045880), (2, 260022940), (4, 130011470), (5, 104009176), (8, 65005735), (10, 52004588), (20, 26002294), (40, 13001147)]