28929440

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3847}}^1$

素因数の和:3909

約数の個数: 48

約数和(自身を含む): 69818112

約数和(自身を除く): 40888672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3760, 3847, 7520, 7694, 15388, 19235, 30776, 38470, 61552, 76940, 123104, 153880, 180809, 307760, 361618, 615520, 723236, 904045, 1446472, 1808090, 2892944, 3616180, 5785888, 7232360, 14464720, 28929440]

約数ペア:

[(1, 28929440), (2, 14464720), (4, 7232360), (5, 5785888), (8, 3616180), (10, 2892944), (16, 1808090), (20, 1446472), (32, 904045), (40, 723236), (47, 615520), (80, 361618), (94, 307760), (160, 180809), (188, 153880), (235, 123104), (376, 76940), (470, 61552), (752, 38470), (940, 30776), (1504, 19235), (1880, 15388), (3760, 7694), (3847, 7520)]