4844440

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{431}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 10964160

約数和(自身を除く): 6119720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 431, 562, 862, 1124, 1405, 1724, 2155, 2248, 2810, 3448, 4310, 5620, 8620, 11240, 17240, 121111, 242222, 484444, 605555, 968888, 1211110, 2422220, 4844440]

約数ペア:

[(1, 4844440), (2, 2422220), (4, 1211110), (5, 968888), (8, 605555), (10, 484444), (20, 242222), (40, 121111), (281, 17240), (431, 11240), (562, 8620), (862, 5620), (1124, 4310), (1405, 3448), (1724, 2810), (2155, 2248)]