31616540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14503}}^1$

素因数の和:14621

約数の個数: 24

約数和(自身を含む): 67008480

約数和(自身を除く): 35391940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14503, 29006, 58012, 72515, 145030, 290060, 1580827, 3161654, 6323308, 7904135, 15808270, 31616540]

約数ペア:

[(1, 31616540), (2, 15808270), (4, 7904135), (5, 6323308), (10, 3161654), (20, 1580827), (109, 290060), (218, 145030), (436, 72515), (545, 58012), (1090, 29006), (2180, 14503)]