2097940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8069}}^1$

素因数の和:8091

約数の個数: 24

約数和(自身を含む): 4745160

約数和(自身を除く): 2647220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8069, 16138, 32276, 40345, 80690, 104897, 161380, 209794, 419588, 524485, 1048970, 2097940]

約数ペア:

[(1, 2097940), (2, 1048970), (4, 524485), (5, 419588), (10, 209794), (13, 161380), (20, 104897), (26, 80690), (52, 40345), (65, 32276), (130, 16138), (260, 8069)]