1998201620

素因数分解:

$2^2\times 5^1\times {\mathrm{2281}}^1\times {\mathrm{43801}}^1$

素因数の和:46091

約数の個数: 24

約数和(自身を含む): 4198158888

約数和(自身を除く): 2199957268

約数列:

[1, 2, 4, 5, 10, 20, 2281, 4562, 9124, 11405, 22810, 43801, 45620, 87602, 175204, 219005, 438010, 876020, 99910081, 199820162, 399640324, 499550405, 999100810, 1998201620]

約数ペア:

[(1, 1998201620), (2, 999100810), (4, 499550405), (5, 399640324), (10, 199820162), (20, 99910081), (2281, 876020), (4562, 438010), (9124, 219005), (11405, 175204), (22810, 87602), (43801, 45620)]