1234561940

素因数分解:

$2^2\times 5^1\times {\mathrm{61728097}}^1$

素因数の和:61728106

約数の個数: 12

約数和(自身を含む): 2592580116

約数和(自身を除く): 1358018176

約数列:

[1, 2, 4, 5, 10, 20, 61728097, 123456194, 246912388, 308640485, 617280970, 1234561940]

約数ペア:

[(1, 1234561940), (2, 617280970), (4, 308640485), (5, 246912388), (10, 123456194), (20, 61728097)]