24780040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14407}}^1$

素因数の和:14461

約数の個数: 32

約数和(自身を含む): 57055680

約数和(自身を除く): 32275640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14407, 28814, 57628, 72035, 115256, 144070, 288140, 576280, 619501, 1239002, 2478004, 3097505, 4956008, 6195010, 12390020, 24780040]

約数ペア:

[(1, 24780040), (2, 12390020), (4, 6195010), (5, 4956008), (8, 3097505), (10, 2478004), (20, 1239002), (40, 619501), (43, 576280), (86, 288140), (172, 144070), (215, 115256), (344, 72035), (430, 57628), (860, 28814), (1720, 14407)]