126640454440

素因数分解:

$2^3\times 5^1\times {\mathrm{3166011361}}^1$

素因数の和:3166011372

約数の個数: 16

約数和(自身を含む): 284941022580

約数和(自身を除く): 158300568140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3166011361, 6332022722, 12664045444, 15830056805, 25328090888, 31660113610, 63320227220, 126640454440]

約数ペア:

[(1, 126640454440), (2, 63320227220), (4, 31660113610), (5, 25328090888), (8, 15830056805), (10, 12664045444), (20, 6332022722), (40, 3166011361)]