4028840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2143}}^1$

素因数の和:2201

約数の個数: 32

約数和(自身を含む): 9262080

約数和(自身を除く): 5233240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 2143, 4286, 8572, 10715, 17144, 21430, 42860, 85720, 100721, 201442, 402884, 503605, 805768, 1007210, 2014420, 4028840]

約数ペア:

[(1, 4028840), (2, 2014420), (4, 1007210), (5, 805768), (8, 503605), (10, 402884), (20, 201442), (40, 100721), (47, 85720), (94, 42860), (188, 21430), (235, 17144), (376, 10715), (470, 8572), (940, 4286), (1880, 2143)]