28376440

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1933}}^1$

素因数の和:2311

約数の個数: 32

約数和(自身を含む): 64054080

約数和(自身を除く): 35677640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 1933, 2936, 3670, 3866, 7340, 7732, 9665, 14680, 15464, 19330, 38660, 77320, 709411, 1418822, 2837644, 3547055, 5675288, 7094110, 14188220, 28376440]

約数ペア:

[(1, 28376440), (2, 14188220), (4, 7094110), (5, 5675288), (8, 3547055), (10, 2837644), (20, 1418822), (40, 709411), (367, 77320), (734, 38660), (1468, 19330), (1835, 15464), (1933, 14680), (2936, 9665), (3670, 7732), (3866, 7340)]