315463520

素因数分解:

$2^5\times 5^1\times {\mathrm{1971647}}^1$

素因数の和:1971662

約数の個数: 24

約数和(自身を含む): 745282944

約数和(自身を除く): 429819424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1971647, 3943294, 7886588, 9858235, 15773176, 19716470, 31546352, 39432940, 63092704, 78865880, 157731760, 315463520]

約数ペア:

[(1, 315463520), (2, 157731760), (4, 78865880), (5, 63092704), (8, 39432940), (10, 31546352), (16, 19716470), (20, 15773176), (32, 9858235), (40, 7886588), (80, 3943294), (160, 1971647)]