7128220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32401}}^1$

素因数の和:32421

約数の個数: 24

約数和(自身を含む): 16330608

約数和(自身を除く): 9202388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 32401, 64802, 129604, 162005, 324010, 356411, 648020, 712822, 1425644, 1782055, 3564110, 7128220]

約数ペア:

[(1, 7128220), (2, 3564110), (4, 1782055), (5, 1425644), (10, 712822), (11, 648020), (20, 356411), (22, 324010), (44, 162005), (55, 129604), (110, 64802), (220, 32401)]