28877480

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1723}}^1$

素因数の和:2153

約数の個数: 32

約数和(自身を含む): 65167200

約数和(自身を除く): 36289720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 1723, 2095, 3352, 3446, 4190, 6892, 8380, 8615, 13784, 16760, 17230, 34460, 68920, 721937, 1443874, 2887748, 3609685, 5775496, 7219370, 14438740, 28877480]

約数ペア:

[(1, 28877480), (2, 14438740), (4, 7219370), (5, 5775496), (8, 3609685), (10, 2887748), (20, 1443874), (40, 721937), (419, 68920), (838, 34460), (1676, 17230), (1723, 16760), (2095, 13784), (3352, 8615), (3446, 8380), (4190, 6892)]