5548880

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:651

約数の個数: 40

約数和(自身を含む): 13020000

約数和(自身を除く): 7471120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 499, 556, 695, 998, 1112, 1390, 1996, 2224, 2495, 2780, 3992, 4990, 5560, 7984, 9980, 11120, 19960, 39920, 69361, 138722, 277444, 346805, 554888, 693610, 1109776, 1387220, 2774440, 5548880]

約数ペア:

[(1, 5548880), (2, 2774440), (4, 1387220), (5, 1109776), (8, 693610), (10, 554888), (16, 346805), (20, 277444), (40, 138722), (80, 69361), (139, 39920), (278, 19960), (499, 11120), (556, 9980), (695, 7984), (998, 5560), (1112, 4990), (1390, 3992), (1996, 2780), (2224, 2495)]