2143240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4871}}^1$

素因数の和:4893

約数の個数: 32

約数和(自身を含む): 5261760

約数和(自身を除く): 3118520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4871, 9742, 19484, 24355, 38968, 48710, 53581, 97420, 107162, 194840, 214324, 267905, 428648, 535810, 1071620, 2143240]

約数ペア:

[(1, 2143240), (2, 1071620), (4, 535810), (5, 428648), (8, 267905), (10, 214324), (11, 194840), (20, 107162), (22, 97420), (40, 53581), (44, 48710), (55, 38968), (88, 24355), (110, 19484), (220, 9742), (440, 4871)]