64481080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{37489}}^1$

素因数の和:37543

約数の個数: 32

約数和(自身を含む): 148460400

約数和(自身を除く): 83979320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 37489, 74978, 149956, 187445, 299912, 374890, 749780, 1499560, 1612027, 3224054, 6448108, 8060135, 12896216, 16120270, 32240540, 64481080]

約数ペア:

[(1, 64481080), (2, 32240540), (4, 16120270), (5, 12896216), (8, 8060135), (10, 6448108), (20, 3224054), (40, 1612027), (43, 1499560), (86, 749780), (172, 374890), (215, 299912), (344, 187445), (430, 149956), (860, 74978), (1720, 37489)]