28611320

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1949}}^1$

素因数の和:2327

約数の個数: 32

約数和(自身を含む): 64584000

約数和(自身を除く): 35972680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 1949, 2936, 3670, 3898, 7340, 7796, 9745, 14680, 15592, 19490, 38980, 77960, 715283, 1430566, 2861132, 3576415, 5722264, 7152830, 14305660, 28611320]

約数ペア:

[(1, 28611320), (2, 14305660), (4, 7152830), (5, 5722264), (8, 3576415), (10, 2861132), (20, 1430566), (40, 715283), (367, 77960), (734, 38980), (1468, 19490), (1835, 15592), (1949, 14680), (2936, 9745), (3670, 7796), (3898, 7340)]