8154740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 18918144

約数和(自身を除く): 10763404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 367, 404, 505, 734, 1010, 1111, 1468, 1835, 2020, 2222, 3670, 4037, 4444, 5555, 7340, 8074, 11110, 16148, 20185, 22220, 37067, 40370, 74134, 80740, 148268, 185335, 370670, 407737, 741340, 815474, 1630948, 2038685, 4077370, 8154740]

約数ペア:

[(1, 8154740), (2, 4077370), (4, 2038685), (5, 1630948), (10, 815474), (11, 741340), (20, 407737), (22, 370670), (44, 185335), (55, 148268), (101, 80740), (110, 74134), (202, 40370), (220, 37067), (367, 22220), (404, 20185), (505, 16148), (734, 11110), (1010, 8074), (1111, 7340), (1468, 5555), (1835, 4444), (2020, 4037), (2222, 3670)]