31869920

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1433}}^1$

素因数の和:1587

約数の個数: 48

約数和(自身を含む): 75887280

約数和(自身を除く): 44017360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 1433, 2224, 2780, 2866, 4448, 5560, 5732, 7165, 11120, 11464, 14330, 22240, 22928, 28660, 45856, 57320, 114640, 199187, 229280, 398374, 796748, 995935, 1593496, 1991870, 3186992, 3983740, 6373984, 7967480, 15934960, 31869920]

約数ペア:

[(1, 31869920), (2, 15934960), (4, 7967480), (5, 6373984), (8, 3983740), (10, 3186992), (16, 1991870), (20, 1593496), (32, 995935), (40, 796748), (80, 398374), (139, 229280), (160, 199187), (278, 114640), (556, 57320), (695, 45856), (1112, 28660), (1390, 22928), (1433, 22240), (2224, 14330), (2780, 11464), (2866, 11120), (4448, 7165), (5560, 5732)]