12448880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2551}}^1$

素因数の和:2625

約数の個数: 40

約数和(自身を含む): 29429664

約数和(自身を除く): 16980784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 2551, 4880, 5102, 10204, 12755, 20408, 25510, 40816, 51020, 102040, 155611, 204080, 311222, 622444, 778055, 1244888, 1556110, 2489776, 3112220, 6224440, 12448880]

約数ペア:

[(1, 12448880), (2, 6224440), (4, 3112220), (5, 2489776), (8, 1556110), (10, 1244888), (16, 778055), (20, 622444), (40, 311222), (61, 204080), (80, 155611), (122, 102040), (244, 51020), (305, 40816), (488, 25510), (610, 20408), (976, 12755), (1220, 10204), (2440, 5102), (2551, 4880)]