231640120

素因数分解:

$2^3\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{3361}}^1$

素因数の和:5095

約数の個数: 32

約数和(自身を含む): 521647920

約数和(自身を除く): 290007800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1723, 3361, 3446, 6722, 6892, 8615, 13444, 13784, 16805, 17230, 26888, 33610, 34460, 67220, 68920, 134440, 5791003, 11582006, 23164012, 28955015, 46328024, 57910030, 115820060, 231640120]

約数ペア:

[(1, 231640120), (2, 115820060), (4, 57910030), (5, 46328024), (8, 28955015), (10, 23164012), (20, 11582006), (40, 5791003), (1723, 134440), (3361, 68920), (3446, 67220), (6722, 34460), (6892, 33610), (8615, 26888), (13444, 17230), (13784, 16805)]