13117580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2179}}^1$

素因数の和:2238

約数の個数: 48

約数和(自身を含む): 32229120

約数和(自身を除く): 19111540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2179, 3010, 4358, 6020, 8716, 10895, 15253, 21790, 30506, 43580, 61012, 76265, 93697, 152530, 187394, 305060, 374788, 468485, 655879, 936970, 1311758, 1873940, 2623516, 3279395, 6558790, 13117580]

約数ペア:

[(1, 13117580), (2, 6558790), (4, 3279395), (5, 2623516), (7, 1873940), (10, 1311758), (14, 936970), (20, 655879), (28, 468485), (35, 374788), (43, 305060), (70, 187394), (86, 152530), (140, 93697), (172, 76265), (215, 61012), (301, 43580), (430, 30506), (602, 21790), (860, 15253), (1204, 10895), (1505, 8716), (2179, 6020), (3010, 4358)]