28545460

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{13339}}^1$

素因数の和:13455

約数の個数: 24

約数和(自身を含む): 60510240

約数和(自身を除く): 31964780

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 13339, 26678, 53356, 66695, 133390, 266780, 1427273, 2854546, 5709092, 7136365, 14272730, 28545460]

約数ペア:

[(1, 28545460), (2, 14272730), (4, 7136365), (5, 5709092), (10, 2854546), (20, 1427273), (107, 266780), (214, 133390), (428, 66695), (535, 53356), (1070, 26678), (2140, 13339)]