9968147720

素因数分解:

$2^3\times 5^1\times {\mathrm{249203693}}^1$

素因数の和:249203704

約数の個数: 16

約数和(自身を含む): 22428332460

約数和(自身を除く): 12460184740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 249203693, 498407386, 996814772, 1246018465, 1993629544, 2492036930, 4984073860, 9968147720]

約数ペア:

[(1, 9968147720), (2, 4984073860), (4, 2492036930), (5, 1993629544), (8, 1246018465), (10, 996814772), (20, 498407386), (40, 249203693)]