30864880

素因数分解:

$2^4\times 5^1\times {\mathrm{385811}}^1$

素因数の和:385824

約数の個数: 20

約数和(自身を含む): 71761032

約数和(自身を除く): 40896152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385811, 771622, 1543244, 1929055, 3086488, 3858110, 6172976, 7716220, 15432440, 30864880]

約数ペア:

[(1, 30864880), (2, 15432440), (4, 7716220), (5, 6172976), (8, 3858110), (10, 3086488), (16, 1929055), (20, 1543244), (40, 771622), (80, 385811)]