280422920

素因数分解:

$2^3\times 5^1\times {\mathrm{7010573}}^1$

素因数の和:7010584

約数の個数: 16

約数和(自身を含む): 630951660

約数和(自身を除く): 350528740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7010573, 14021146, 28042292, 35052865, 56084584, 70105730, 140211460, 280422920]

約数ペア:

[(1, 280422920), (2, 140211460), (4, 70105730), (5, 56084584), (8, 35052865), (10, 28042292), (20, 14021146), (40, 7010573)]