12115720

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{607}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 27360000

約数和(自身を除く): 15244280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 607, 998, 1214, 1996, 2428, 2495, 3035, 3992, 4856, 4990, 6070, 9980, 12140, 19960, 24280, 302893, 605786, 1211572, 1514465, 2423144, 3028930, 6057860, 12115720]

約数ペア:

[(1, 12115720), (2, 6057860), (4, 3028930), (5, 2423144), (8, 1514465), (10, 1211572), (20, 605786), (40, 302893), (499, 24280), (607, 19960), (998, 12140), (1214, 9980), (1996, 6070), (2428, 4990), (2495, 4856), (3035, 3992)]