29916280

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2143}}^1$

素因数の和:2503

約数の個数: 32

約数和(自身を含む): 67536000

約数和(自身を除く): 37619720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2143, 2792, 3490, 4286, 6980, 8572, 10715, 13960, 17144, 21430, 42860, 85720, 747907, 1495814, 2991628, 3739535, 5983256, 7479070, 14958140, 29916280]

約数ペア:

[(1, 29916280), (2, 14958140), (4, 7479070), (5, 5983256), (8, 3739535), (10, 2991628), (20, 1495814), (40, 747907), (349, 85720), (698, 42860), (1396, 21430), (1745, 17144), (2143, 13960), (2792, 10715), (3490, 8572), (4286, 6980)]