28626760

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15227}}^1$

素因数の和:15285

約数の個数: 32

約数和(自身を含む): 65784960

約数和(自身を除く): 37158200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 15227, 30454, 60908, 76135, 121816, 152270, 304540, 609080, 715669, 1431338, 2862676, 3578345, 5725352, 7156690, 14313380, 28626760]

約数ペア:

[(1, 28626760), (2, 14313380), (4, 7156690), (5, 5725352), (8, 3578345), (10, 2862676), (20, 1431338), (40, 715669), (47, 609080), (94, 304540), (188, 152270), (235, 121816), (376, 76135), (470, 60908), (940, 30454), (1880, 15227)]