28303760

素因数分解:

$2^4\times 5^1\times {\mathrm{353797}}^1$

素因数の和:353810

約数の個数: 20

約数和(自身を含む): 65806428

約数和(自身を除く): 37502668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353797, 707594, 1415188, 1768985, 2830376, 3537970, 5660752, 7075940, 14151880, 28303760]

約数ペア:

[(1, 28303760), (2, 14151880), (4, 7075940), (5, 5660752), (8, 3537970), (10, 2830376), (16, 1768985), (20, 1415188), (40, 707594), (80, 353797)]