15985940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7333}}^1$

素因数の和:7451

約数の個数: 24

約数和(自身を含む): 33883080

約数和(自身を除く): 17897140

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 7333, 14666, 29332, 36665, 73330, 146660, 799297, 1598594, 3197188, 3996485, 7992970, 15985940]

約数ペア:

[(1, 15985940), (2, 7992970), (4, 3996485), (5, 3197188), (10, 1598594), (20, 799297), (109, 146660), (218, 73330), (436, 36665), (545, 29332), (1090, 14666), (2180, 7333)]