28935740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19819}}^1$

素因数の和:19901

約数の個数: 24

約数和(自身を含む): 61600560

約数和(自身を除く): 32664820

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19819, 39638, 79276, 99095, 198190, 396380, 1446787, 2893574, 5787148, 7233935, 14467870, 28935740]

約数ペア:

[(1, 28935740), (2, 14467870), (4, 7233935), (5, 5787148), (10, 2893574), (20, 1446787), (73, 396380), (146, 198190), (292, 99095), (365, 79276), (730, 39638), (1460, 19819)]