204112840

素因数分解:

$2^3\times 5^1\times {\mathrm{5102821}}^1$

素因数の和:5102832

約数の個数: 16

約数和(自身を含む): 459253980

約数和(自身を除く): 255141140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5102821, 10205642, 20411284, 25514105, 40822568, 51028210, 102056420, 204112840]

約数ペア:

[(1, 204112840), (2, 102056420), (4, 51028210), (5, 40822568), (8, 25514105), (10, 20411284), (20, 10205642), (40, 5102821)]