317191520

素因数分解:

$2^5\times 5^1\times {\mathrm{1982447}}^1$

素因数の和:1982462

約数の個数: 24

約数和(自身を含む): 749365344

約数和(自身を除く): 432173824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1982447, 3964894, 7929788, 9912235, 15859576, 19824470, 31719152, 39648940, 63438304, 79297880, 158595760, 317191520]

約数ペア:

[(1, 317191520), (2, 158595760), (4, 79297880), (5, 63438304), (8, 39648940), (10, 31719152), (16, 19824470), (20, 15859576), (32, 9912235), (40, 7929788), (80, 3964894), (160, 1982447)]