25676080

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2309}}^1$

素因数の和:2461

約数の個数: 40

約数和(自身を含む): 60152400

約数和(自身を除く): 34476320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2309, 2780, 4618, 5560, 9236, 11120, 11545, 18472, 23090, 36944, 46180, 92360, 184720, 320951, 641902, 1283804, 1604755, 2567608, 3209510, 5135216, 6419020, 12838040, 25676080]

約数ペア:

[(1, 25676080), (2, 12838040), (4, 6419020), (5, 5135216), (8, 3209510), (10, 2567608), (16, 1604755), (20, 1283804), (40, 641902), (80, 320951), (139, 184720), (278, 92360), (556, 46180), (695, 36944), (1112, 23090), (1390, 18472), (2224, 11545), (2309, 11120), (2780, 9236), (4618, 5560)]