28467760

素因数分解:

$2^4\times 5^1\times {\mathrm{355847}}^1$

素因数の和:355860

約数の個数: 20

約数和(自身を含む): 66187728

約数和(自身を除く): 37719968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355847, 711694, 1423388, 1779235, 2846776, 3558470, 5693552, 7116940, 14233880, 28467760]

約数ペア:

[(1, 28467760), (2, 14233880), (4, 7116940), (5, 5693552), (8, 3558470), (10, 2846776), (16, 1779235), (20, 1423388), (40, 711694), (80, 355847)]