2506520

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 5685120

約数和(自身を除く): 3178600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 281, 446, 562, 892, 1115, 1124, 1405, 1784, 2230, 2248, 2810, 4460, 5620, 8920, 11240, 62663, 125326, 250652, 313315, 501304, 626630, 1253260, 2506520]

約数ペア:

[(1, 2506520), (2, 1253260), (4, 626630), (5, 501304), (8, 313315), (10, 250652), (20, 125326), (40, 62663), (223, 11240), (281, 8920), (446, 5620), (562, 4460), (892, 2810), (1115, 2248), (1124, 2230), (1405, 1784)]