2018028440

素因数分解:

$2^3\times 5^1\times {\mathrm{2767}}^1\times {\mathrm{18233}}^1$

素因数の和:21011

約数の個数: 32

約数和(自身を含む): 4542454080

約数和(自身を除く): 2524425640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2767, 5534, 11068, 13835, 18233, 22136, 27670, 36466, 55340, 72932, 91165, 110680, 145864, 182330, 364660, 729320, 50450711, 100901422, 201802844, 252253555, 403605688, 504507110, 1009014220, 2018028440]

約数ペア:

[(1, 2018028440), (2, 1009014220), (4, 504507110), (5, 403605688), (8, 252253555), (10, 201802844), (20, 100901422), (40, 50450711), (2767, 729320), (5534, 364660), (11068, 182330), (13835, 145864), (18233, 110680), (22136, 91165), (27670, 72932), (36466, 55340)]