91023080

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3539}}^1$

素因数の和:4193

約数の個数: 32

約数和(自身を含む): 205178400

約数和(自身を除く): 114155320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 3539, 5144, 6430, 7078, 12860, 14156, 17695, 25720, 28312, 35390, 70780, 141560, 2275577, 4551154, 9102308, 11377885, 18204616, 22755770, 45511540, 91023080]

約数ペア:

[(1, 91023080), (2, 45511540), (4, 22755770), (5, 18204616), (8, 11377885), (10, 9102308), (20, 4551154), (40, 2275577), (643, 141560), (1286, 70780), (2572, 35390), (3215, 28312), (3539, 25720), (5144, 17695), (6430, 14156), (7078, 12860)]