99668440

素因数分解:

$2^3\times 5^1\times {\mathrm{2491711}}^1$

素因数の和:2491722

約数の個数: 16

約数和(自身を含む): 224254080

約数和(自身を除く): 124585640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2491711, 4983422, 9966844, 12458555, 19933688, 24917110, 49834220, 99668440]

約数ペア:

[(1, 99668440), (2, 49834220), (4, 24917110), (5, 19933688), (8, 12458555), (10, 9966844), (20, 4983422), (40, 2491711)]