53404720

素因数分解:

$2^4\times 5^1\times {\mathrm{667559}}^1$

素因数の和:667572

約数の個数: 20

約数和(自身を含む): 124166160

約数和(自身を除く): 70761440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 667559, 1335118, 2670236, 3337795, 5340472, 6675590, 10680944, 13351180, 26702360, 53404720]

約数ペア:

[(1, 53404720), (2, 26702360), (4, 13351180), (5, 10680944), (8, 6675590), (10, 5340472), (16, 3337795), (20, 2670236), (40, 1335118), (80, 667559)]