39128500

素因数分解:

$2^2\times 5^3\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 86224320

約数和(自身を除く): 47095820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 139, 250, 278, 500, 556, 563, 695, 1126, 1390, 2252, 2780, 2815, 3475, 5630, 6950, 11260, 13900, 14075, 17375, 28150, 34750, 56300, 69500, 70375, 78257, 140750, 156514, 281500, 313028, 391285, 782570, 1565140, 1956425, 3912850, 7825700, 9782125, 19564250, 39128500]

約数ペア:

[(1, 39128500), (2, 19564250), (4, 9782125), (5, 7825700), (10, 3912850), (20, 1956425), (25, 1565140), (50, 782570), (100, 391285), (125, 313028), (139, 281500), (250, 156514), (278, 140750), (500, 78257), (556, 70375), (563, 69500), (695, 56300), (1126, 34750), (1390, 28150), (2252, 17375), (2780, 14075), (2815, 13900), (3475, 11260), (5630, 6950)]