28857940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^3$

素因数の和:348

約数の個数: 24

約数和(自身を含む): 61142760

約数和(自身を除く): 32284820

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 12769, 25538, 51076, 63845, 127690, 255380, 1442897, 2885794, 5771588, 7214485, 14428970, 28857940]

約数ペア:

[(1, 28857940), (2, 14428970), (4, 7214485), (5, 5771588), (10, 2885794), (20, 1442897), (113, 255380), (226, 127690), (452, 63845), (565, 51076), (1130, 25538), (2260, 12769)]