1416880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:301

約数の個数: 40

約数和(自身を含む): 3348000

約数和(自身を除く): 1931120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 199, 356, 398, 445, 712, 796, 890, 995, 1424, 1592, 1780, 1990, 3184, 3560, 3980, 7120, 7960, 15920, 17711, 35422, 70844, 88555, 141688, 177110, 283376, 354220, 708440, 1416880]

約数ペア:

[(1, 1416880), (2, 708440), (4, 354220), (5, 283376), (8, 177110), (10, 141688), (16, 88555), (20, 70844), (40, 35422), (80, 17711), (89, 15920), (178, 7960), (199, 7120), (356, 3980), (398, 3560), (445, 3184), (712, 1990), (796, 1780), (890, 1592), (995, 1424)]