23328040

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{907}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 52627680

約数和(自身を除く): 29299640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 907, 1286, 1814, 2572, 3215, 3628, 4535, 5144, 6430, 7256, 9070, 12860, 18140, 25720, 36280, 583201, 1166402, 2332804, 2916005, 4665608, 5832010, 11664020, 23328040]

約数ペア:

[(1, 23328040), (2, 11664020), (4, 5832010), (5, 4665608), (8, 2916005), (10, 2332804), (20, 1166402), (40, 583201), (643, 36280), (907, 25720), (1286, 18140), (1814, 12860), (2572, 9070), (3215, 7256), (3628, 6430), (4535, 5144)]