25952780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{941}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 62669376

約数和(自身を除く): 36716596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 941, 985, 1379, 1882, 1970, 2758, 3764, 3940, 4705, 5516, 6587, 6895, 9410, 13174, 13790, 18820, 26348, 27580, 32935, 65870, 131740, 185377, 370754, 741508, 926885, 1297639, 1853770, 2595278, 3707540, 5190556, 6488195, 12976390, 25952780]

約数ペア:

[(1, 25952780), (2, 12976390), (4, 6488195), (5, 5190556), (7, 3707540), (10, 2595278), (14, 1853770), (20, 1297639), (28, 926885), (35, 741508), (70, 370754), (140, 185377), (197, 131740), (394, 65870), (788, 32935), (941, 27580), (985, 26348), (1379, 18820), (1882, 13790), (1970, 13174), (2758, 9410), (3764, 6895), (3940, 6587), (4705, 5516)]