15789680

素因数分解:

$2^4\times 5^1\times {\mathrm{197371}}^1$

素因数の和:197384

約数の個数: 20

約数和(自身を含む): 36711192

約数和(自身を除く): 20921512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197371, 394742, 789484, 986855, 1578968, 1973710, 3157936, 3947420, 7894840, 15789680]

約数ペア:

[(1, 15789680), (2, 7894840), (4, 3947420), (5, 3157936), (8, 1973710), (10, 1578968), (16, 986855), (20, 789484), (40, 394742), (80, 197371)]