28760240

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7649}}^1$

素因数の和:7709

約数の個数: 40

約数和(自身を含む): 68299200

約数和(自身を除く): 39538960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 7649, 15298, 30596, 38245, 61192, 76490, 122384, 152980, 305960, 359503, 611920, 719006, 1438012, 1797515, 2876024, 3595030, 5752048, 7190060, 14380120, 28760240]

約数ペア:

[(1, 28760240), (2, 14380120), (4, 7190060), (5, 5752048), (8, 3595030), (10, 2876024), (16, 1797515), (20, 1438012), (40, 719006), (47, 611920), (80, 359503), (94, 305960), (188, 152980), (235, 122384), (376, 76490), (470, 61192), (752, 38245), (940, 30596), (1880, 15298), (3760, 7649)]