4959620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 10940160

約数和(自身を除く): 5980540

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 79, 86, 146, 158, 172, 215, 292, 316, 365, 395, 430, 730, 790, 860, 1460, 1580, 3139, 3397, 5767, 6278, 6794, 11534, 12556, 13588, 15695, 16985, 23068, 28835, 31390, 33970, 57670, 62780, 67940, 115340, 247981, 495962, 991924, 1239905, 2479810, 4959620]

約数ペア:

[(1, 4959620), (2, 2479810), (4, 1239905), (5, 991924), (10, 495962), (20, 247981), (43, 115340), (73, 67940), (79, 62780), (86, 57670), (146, 33970), (158, 31390), (172, 28835), (215, 23068), (292, 16985), (316, 15695), (365, 13588), (395, 12556), (430, 11534), (730, 6794), (790, 6278), (860, 5767), (1460, 3397), (1580, 3139)]