203142920

素因数分解:

$2^3\times 5^1\times {\mathrm{5078573}}^1$

素因数の和:5078584

約数の個数: 16

約数和(自身を含む): 457071660

約数和(自身を除く): 253928740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5078573, 10157146, 20314292, 25392865, 40628584, 50785730, 101571460, 203142920]

約数ペア:

[(1, 203142920), (2, 101571460), (4, 50785730), (5, 40628584), (8, 25392865), (10, 20314292), (20, 10157146), (40, 5078573)]