72664880

素因数分解:

$2^4\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1031}}^1$

素因数の和:1925

約数の個数: 40

約数和(自身を含む): 169301664

約数和(自身を除く): 96636784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 881, 1031, 1762, 2062, 3524, 4124, 4405, 5155, 7048, 8248, 8810, 10310, 14096, 16496, 17620, 20620, 35240, 41240, 70480, 82480, 908311, 1816622, 3633244, 4541555, 7266488, 9083110, 14532976, 18166220, 36332440, 72664880]

約数ペア:

[(1, 72664880), (2, 36332440), (4, 18166220), (5, 14532976), (8, 9083110), (10, 7266488), (16, 4541555), (20, 3633244), (40, 1816622), (80, 908311), (881, 82480), (1031, 70480), (1762, 41240), (2062, 35240), (3524, 20620), (4124, 17620), (4405, 16496), (5155, 14096), (7048, 10310), (8248, 8810)]