5771240

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{647}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 13063680

約数和(自身を除く): 7292440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 647, 892, 1115, 1294, 1784, 2230, 2588, 3235, 4460, 5176, 6470, 8920, 12940, 25880, 144281, 288562, 577124, 721405, 1154248, 1442810, 2885620, 5771240]

約数ペア:

[(1, 5771240), (2, 2885620), (4, 1442810), (5, 1154248), (8, 721405), (10, 577124), (20, 288562), (40, 144281), (223, 25880), (446, 12940), (647, 8920), (892, 6470), (1115, 5176), (1294, 4460), (1784, 3235), (2230, 2588)]