90237940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347069}}^1$

素因数の和:347091

約数の個数: 24

約数和(自身を含む): 204077160

約数和(自身を除く): 113839220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 347069, 694138, 1388276, 1735345, 3470690, 4511897, 6941380, 9023794, 18047588, 22559485, 45118970, 90237940]

約数ペア:

[(1, 90237940), (2, 45118970), (4, 22559485), (5, 18047588), (10, 9023794), (13, 6941380), (20, 4511897), (26, 3470690), (52, 1735345), (65, 1388276), (130, 694138), (260, 347069)]