15897940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{10889}}^1$

素因数の和:10971

約数の個数: 24

約数和(自身を含む): 33846120

約数和(自身を除く): 17948180

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 10889, 21778, 43556, 54445, 108890, 217780, 794897, 1589794, 3179588, 3974485, 7948970, 15897940]

約数ペア:

[(1, 15897940), (2, 7948970), (4, 3974485), (5, 3179588), (10, 1589794), (20, 794897), (73, 217780), (146, 108890), (292, 54445), (365, 43556), (730, 21778), (1460, 10889)]