520079830

素因数分解:

$2^1\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{26017}}^1$

素因数の和:28023

約数の個数: 16

約数和(自身を含む): 936648000

約数和(自身を除く): 416568170

約数列:

[1, 2, 5, 10, 1999, 3998, 9995, 19990, 26017, 52034, 130085, 260170, 52007983, 104015966, 260039915, 520079830]

約数ペア:

[(1, 520079830), (2, 260039915), (5, 104015966), (10, 52007983), (1999, 260170), (3998, 130085), (9995, 52034), (19990, 26017)]