9922999640

素因数分解:

$2^3\times 5^1\times {\mathrm{248074991}}^1$

素因数の和:248075002

約数の個数: 16

約数和(自身を含む): 22326749280

約数和(自身を除く): 12403749640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 248074991, 496149982, 992299964, 1240374955, 1984599928, 2480749910, 4961499820, 9922999640]

約数ペア:

[(1, 9922999640), (2, 4961499820), (4, 2480749910), (5, 1984599928), (8, 1240374955), (10, 992299964), (20, 496149982), (40, 248074991)]