28427480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15121}}^1$

素因数の和:15179

約数の個数: 32

約数和(自身を含む): 65327040

約数和(自身を除く): 36899560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 15121, 30242, 60484, 75605, 120968, 151210, 302420, 604840, 710687, 1421374, 2842748, 3553435, 5685496, 7106870, 14213740, 28427480]

約数ペア:

[(1, 28427480), (2, 14213740), (4, 7106870), (5, 5685496), (8, 3553435), (10, 2842748), (20, 1421374), (40, 710687), (47, 604840), (94, 302420), (188, 151210), (235, 120968), (376, 75605), (470, 60484), (940, 30242), (1880, 15121)]