28707160

素因数分解:

$2^3\times 5^1\times {\mathrm{717679}}^1$

素因数の和:717690

約数の個数: 16

約数和(自身を含む): 64591200

約数和(自身を除く): 35884040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 717679, 1435358, 2870716, 3588395, 5741432, 7176790, 14353580, 28707160]

約数ペア:

[(1, 28707160), (2, 14353580), (4, 7176790), (5, 5741432), (8, 3588395), (10, 2870716), (20, 1435358), (40, 717679)]