13207780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4751}}^1$

素因数の和:4899

約数の個数: 24

約数和(自身を含む): 27941760

約数和(自身を除く): 14733980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4751, 9502, 19004, 23755, 47510, 95020, 660389, 1320778, 2641556, 3301945, 6603890, 13207780]

約数ペア:

[(1, 13207780), (2, 6603890), (4, 3301945), (5, 2641556), (10, 1320778), (20, 660389), (139, 95020), (278, 47510), (556, 23755), (695, 19004), (1390, 9502), (2780, 4751)]