28628840

素因数分解:

$2^3\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1021}}^1$

素因数の和:1733

約数の個数: 32

約数和(自身を含む): 64569960

約数和(自身を除く): 35941120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 701, 1021, 1402, 2042, 2804, 3505, 4084, 5105, 5608, 7010, 8168, 10210, 14020, 20420, 28040, 40840, 715721, 1431442, 2862884, 3578605, 5725768, 7157210, 14314420, 28628840]

約数ペア:

[(1, 28628840), (2, 14314420), (4, 7157210), (5, 5725768), (8, 3578605), (10, 2862884), (20, 1431442), (40, 715721), (701, 40840), (1021, 28040), (1402, 20420), (2042, 14020), (2804, 10210), (3505, 8168), (4084, 7010), (5105, 5608)]