28573660

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19571}}^1$

素因数の和:19653

約数の個数: 24

約数和(自身を含む): 60829776

約数和(自身を除く): 32256116

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19571, 39142, 78284, 97855, 195710, 391420, 1428683, 2857366, 5714732, 7143415, 14286830, 28573660]

約数ペア:

[(1, 28573660), (2, 14286830), (4, 7143415), (5, 5714732), (10, 2857366), (20, 1428683), (73, 391420), (146, 195710), (292, 97855), (365, 78284), (730, 39142), (1460, 19571)]