28382980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45779}}^1$

素因数の和:45819

約数の個数: 24

約数和(自身を含む): 61528320

約数和(自身を除く): 33145340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 45779, 91558, 183116, 228895, 457790, 915580, 1419149, 2838298, 5676596, 7095745, 14191490, 28382980]

約数ペア:

[(1, 28382980), (2, 14191490), (4, 7095745), (5, 5676596), (10, 2838298), (20, 1419149), (31, 915580), (62, 457790), (124, 228895), (155, 183116), (310, 91558), (620, 45779)]