42085940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161869}}^1$

素因数の和:161891

約数の個数: 24

約数和(自身を含む): 95179560

約数和(自身を除く): 53093620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 161869, 323738, 647476, 809345, 1618690, 2104297, 3237380, 4208594, 8417188, 10521485, 21042970, 42085940]

約数ペア:

[(1, 42085940), (2, 21042970), (4, 10521485), (5, 8417188), (10, 4208594), (13, 3237380), (20, 2104297), (26, 1618690), (52, 809345), (65, 647476), (130, 323738), (260, 161869)]