15780320

素因数分解:

$2^5\times 5^1\times {\mathrm{98627}}^1$

素因数の和:98642

約数の個数: 24

約数和(自身を含む): 37281384

約数和(自身を除く): 21501064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 98627, 197254, 394508, 493135, 789016, 986270, 1578032, 1972540, 3156064, 3945080, 7890160, 15780320]

約数ペア:

[(1, 15780320), (2, 7890160), (4, 3945080), (5, 3156064), (8, 1972540), (10, 1578032), (16, 986270), (20, 789016), (32, 493135), (40, 394508), (80, 197254), (160, 98627)]