9897940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38069}}^1$

素因数の和:38091

約数の個数: 24

約数和(自身を含む): 22385160

約数和(自身を除く): 12487220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 38069, 76138, 152276, 190345, 380690, 494897, 761380, 989794, 1979588, 2474485, 4948970, 9897940]

約数ペア:

[(1, 9897940), (2, 4948970), (4, 2474485), (5, 1979588), (10, 989794), (13, 761380), (20, 494897), (26, 380690), (52, 190345), (65, 152276), (130, 76138), (260, 38069)]