4389418640

素因数分解:

$2^4\times 5^1\times {\mathrm{54867733}}^1$

素因数の和:54867746

約数の個数: 20

約数和(自身を含む): 10205398524

約数和(自身を除く): 5815979884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 54867733, 109735466, 219470932, 274338665, 438941864, 548677330, 877883728, 1097354660, 2194709320, 4389418640]

約数ペア:

[(1, 4389418640), (2, 2194709320), (4, 1097354660), (5, 877883728), (8, 548677330), (10, 438941864), (16, 274338665), (20, 219470932), (40, 109735466), (80, 54867733)]