7886722040

素因数分解:

$2^3\times 5^1\times {\mathrm{197168051}}^1$

素因数の和:197168062

約数の個数: 16

約数和(自身を含む): 17745124680

約数和(自身を除く): 9858402640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197168051, 394336102, 788672204, 985840255, 1577344408, 1971680510, 3943361020, 7886722040]

約数ペア:

[(1, 7886722040), (2, 3943361020), (4, 1971680510), (5, 1577344408), (8, 985840255), (10, 788672204), (20, 394336102), (40, 197168051)]