66786280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151787}}^1$

素因数の和:151809

約数の個数: 32

約数和(自身を含む): 163931040

約数和(自身を除く): 97144760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 151787, 303574, 607148, 758935, 1214296, 1517870, 1669657, 3035740, 3339314, 6071480, 6678628, 8348285, 13357256, 16696570, 33393140, 66786280]

約数ペア:

[(1, 66786280), (2, 33393140), (4, 16696570), (5, 13357256), (8, 8348285), (10, 6678628), (11, 6071480), (20, 3339314), (22, 3035740), (40, 1669657), (44, 1517870), (55, 1214296), (88, 758935), (110, 607148), (220, 303574), (440, 151787)]