520030040

素因数分解:

$2^3\times 5^1\times {\mathrm{13000751}}^1$

素因数の和:13000762

約数の個数: 16

約数和(自身を含む): 1170067680

約数和(自身を除く): 650037640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13000751, 26001502, 52003004, 65003755, 104006008, 130007510, 260015020, 520030040]

約数ペア:

[(1, 520030040), (2, 260015020), (4, 130007510), (5, 104006008), (8, 65003755), (10, 52003004), (20, 26001502), (40, 13000751)]