55444040

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3389}}^1$

素因数の和:3809

約数の個数: 32

約数和(自身を含む): 125091000

約数和(自身を除く): 69646960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 3389, 4090, 6778, 8180, 13556, 16360, 16945, 27112, 33890, 67780, 135560, 1386101, 2772202, 5544404, 6930505, 11088808, 13861010, 27722020, 55444040]

約数ペア:

[(1, 55444040), (2, 27722020), (4, 13861010), (5, 11088808), (8, 6930505), (10, 5544404), (20, 2772202), (40, 1386101), (409, 135560), (818, 67780), (1636, 33890), (2045, 27112), (3272, 16945), (3389, 16360), (4090, 13556), (6778, 8180)]