8681840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2309}}^1$

素因数の和:2369

約数の個数: 40

約数和(自身を含む): 20623680

約数和(自身を除く): 11941840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 2309, 3760, 4618, 9236, 11545, 18472, 23090, 36944, 46180, 92360, 108523, 184720, 217046, 434092, 542615, 868184, 1085230, 1736368, 2170460, 4340920, 8681840]

約数ペア:

[(1, 8681840), (2, 4340920), (4, 2170460), (5, 1736368), (8, 1085230), (10, 868184), (16, 542615), (20, 434092), (40, 217046), (47, 184720), (80, 108523), (94, 92360), (188, 46180), (235, 36944), (376, 23090), (470, 18472), (752, 11545), (940, 9236), (1880, 4618), (2309, 3760)]