68331880

素因数分解:

$2^3\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{1381}}^1$

素因数の和:2629

約数の個数: 32

約数和(自身を含む): 153982440

約数和(自身を除く): 85650560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1237, 1381, 2474, 2762, 4948, 5524, 6185, 6905, 9896, 11048, 12370, 13810, 24740, 27620, 49480, 55240, 1708297, 3416594, 6833188, 8541485, 13666376, 17082970, 34165940, 68331880]

約数ペア:

[(1, 68331880), (2, 34165940), (4, 17082970), (5, 13666376), (8, 8541485), (10, 6833188), (20, 3416594), (40, 1708297), (1237, 55240), (1381, 49480), (2474, 27620), (2762, 24740), (4948, 13810), (5524, 12370), (6185, 11048), (6905, 9896)]