203885840

素因数分解:

$2^4\times 5^1\times {\mathrm{2548573}}^1$

素因数の和:2548586

約数の個数: 20

約数和(自身を含む): 474034764

約数和(自身を除く): 270148924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2548573, 5097146, 10194292, 12742865, 20388584, 25485730, 40777168, 50971460, 101942920, 203885840]

約数ペア:

[(1, 203885840), (2, 101942920), (4, 50971460), (5, 40777168), (8, 25485730), (10, 20388584), (16, 12742865), (20, 10194292), (40, 5097146), (80, 2548573)]