164948440

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{8609}}^1$

素因数の和:9099

約数の個数: 32

約数和(自身を含む): 371952000

約数和(自身を除く): 207003560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4790, 8609, 9580, 17218, 19160, 34436, 43045, 68872, 86090, 172180, 344360, 4123711, 8247422, 16494844, 20618555, 32989688, 41237110, 82474220, 164948440]

約数ペア:

[(1, 164948440), (2, 82474220), (4, 41237110), (5, 32989688), (8, 20618555), (10, 16494844), (20, 8247422), (40, 4123711), (479, 344360), (958, 172180), (1916, 86090), (2395, 68872), (3832, 43045), (4790, 34436), (8609, 19160), (9580, 17218)]