8305660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2026

約数の個数: 48

約数和(自身を含む): 20039040

約数和(自身を除く): 11733380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1987, 2090, 3974, 4180, 7948, 9935, 19870, 21857, 37753, 39740, 43714, 75506, 87428, 109285, 151012, 188765, 218570, 377530, 415283, 437140, 755060, 830566, 1661132, 2076415, 4152830, 8305660]

約数ペア:

[(1, 8305660), (2, 4152830), (4, 2076415), (5, 1661132), (10, 830566), (11, 755060), (19, 437140), (20, 415283), (22, 377530), (38, 218570), (44, 188765), (55, 151012), (76, 109285), (95, 87428), (110, 75506), (190, 43714), (209, 39740), (220, 37753), (380, 21857), (418, 19870), (836, 9935), (1045, 7948), (1987, 4180), (2090, 3974)]