28657580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12041}}^1$

素因数の和:12074

約数の個数: 48

約数和(自身を含む): 72830016

約数和(自身を除く): 44172436

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 12041, 24082, 48164, 60205, 84287, 120410, 168574, 204697, 240820, 337148, 409394, 421435, 818788, 842870, 1023485, 1432879, 1685740, 2046970, 2865758, 4093940, 5731516, 7164395, 14328790, 28657580]

約数ペア:

[(1, 28657580), (2, 14328790), (4, 7164395), (5, 5731516), (7, 4093940), (10, 2865758), (14, 2046970), (17, 1685740), (20, 1432879), (28, 1023485), (34, 842870), (35, 818788), (68, 421435), (70, 409394), (85, 337148), (119, 240820), (140, 204697), (170, 168574), (238, 120410), (340, 84287), (476, 60205), (595, 48164), (1190, 24082), (2380, 12041)]