326143780

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{28559}}^1$

素因数の和:29139

約数の個数: 24

約数和(自身を含む): 686125440

約数和(自身を除く): 359981660

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 28559, 57118, 114236, 142795, 285590, 571180, 16307189, 32614378, 65228756, 81535945, 163071890, 326143780]

約数ペア:

[(1, 326143780), (2, 163071890), (4, 81535945), (5, 65228756), (10, 32614378), (20, 16307189), (571, 571180), (1142, 285590), (2284, 142795), (2855, 114236), (5710, 57118), (11420, 28559)]