29927720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15919}}^1$

素因数の和:15977

約数の個数: 32

約数和(自身を含む): 68774400

約数和(自身を除く): 38846680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 15919, 31838, 63676, 79595, 127352, 159190, 318380, 636760, 748193, 1496386, 2992772, 3740965, 5985544, 7481930, 14963860, 29927720]

約数ペア:

[(1, 29927720), (2, 14963860), (4, 7481930), (5, 5985544), (8, 3740965), (10, 2992772), (20, 1496386), (40, 748193), (47, 636760), (94, 318380), (188, 159190), (235, 127352), (376, 79595), (470, 63676), (940, 31838), (1880, 15919)]