2165720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1867}}^1$

素因数の和:1907

約数の個数: 32

約数和(自身を含む): 5043600

約数和(自身を除く): 2877880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1867, 3734, 7468, 9335, 14936, 18670, 37340, 54143, 74680, 108286, 216572, 270715, 433144, 541430, 1082860, 2165720]

約数ペア:

[(1, 2165720), (2, 1082860), (4, 541430), (5, 433144), (8, 270715), (10, 216572), (20, 108286), (29, 74680), (40, 54143), (58, 37340), (116, 18670), (145, 14936), (232, 9335), (290, 7468), (580, 3734), (1160, 1867)]