38660120

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8867}}^1$

素因数の和:8987

約数の個数: 32

約数和(自身を含む): 87793200

約数和(自身を除く): 49133080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 8867, 17734, 35468, 44335, 70936, 88670, 177340, 354680, 966503, 1933006, 3866012, 4832515, 7732024, 9665030, 19330060, 38660120]

約数ペア:

[(1, 38660120), (2, 19330060), (4, 9665030), (5, 7732024), (8, 4832515), (10, 3866012), (20, 1933006), (40, 966503), (109, 354680), (218, 177340), (436, 88670), (545, 70936), (872, 44335), (1090, 35468), (2180, 17734), (4360, 8867)]