7211080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4397}}^1$

素因数の和:4449

約数の個数: 32

約数和(自身を含む): 16624440

約数和(自身を除く): 9413360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4397, 8794, 17588, 21985, 35176, 43970, 87940, 175880, 180277, 360554, 721108, 901385, 1442216, 1802770, 3605540, 7211080]

約数ペア:

[(1, 7211080), (2, 3605540), (4, 1802770), (5, 1442216), (8, 901385), (10, 721108), (20, 360554), (40, 180277), (41, 175880), (82, 87940), (164, 43970), (205, 35176), (328, 21985), (410, 17588), (820, 8794), (1640, 4397)]