157039280

素因数分解:

$2^4\times 5^1\times {\mathrm{1962991}}^1$

素因数の和:1963004

約数の個数: 20

約数和(自身を含む): 365116512

約数和(自身を除く): 208077232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962991, 3925982, 7851964, 9814955, 15703928, 19629910, 31407856, 39259820, 78519640, 157039280]

約数ペア:

[(1, 157039280), (2, 78519640), (4, 39259820), (5, 31407856), (8, 19629910), (10, 15703928), (16, 9814955), (20, 7851964), (40, 3925982), (80, 1962991)]