28653080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15241}}^1$

素因数の和:15299

約数の個数: 32

約数和(自身を含む): 65845440

約数和(自身を除く): 37192360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 15241, 30482, 60964, 76205, 121928, 152410, 304820, 609640, 716327, 1432654, 2865308, 3581635, 5730616, 7163270, 14326540, 28653080]

約数ペア:

[(1, 28653080), (2, 14326540), (4, 7163270), (5, 5730616), (8, 3581635), (10, 2865308), (20, 1432654), (40, 716327), (47, 609640), (94, 304820), (188, 152410), (235, 121928), (376, 76205), (470, 60964), (940, 30482), (1880, 15241)]