64141940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139439}}^1$

素因数の和:139471

約数の個数: 24

約数和(自身を含む): 140555520

約数和(自身を除く): 76413580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 139439, 278878, 557756, 697195, 1394390, 2788780, 3207097, 6414194, 12828388, 16035485, 32070970, 64141940]

約数ペア:

[(1, 64141940), (2, 32070970), (4, 16035485), (5, 12828388), (10, 6414194), (20, 3207097), (23, 2788780), (46, 1394390), (92, 697195), (115, 557756), (230, 278878), (460, 139439)]