88220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 202608

約数和(自身を除く): 114388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 401, 802, 1604, 2005, 4010, 4411, 8020, 8822, 17644, 22055, 44110, 88220]

約数ペア:

[(1, 88220), (2, 44110), (4, 22055), (5, 17644), (10, 8822), (11, 8020), (20, 4411), (22, 4010), (44, 2005), (55, 1604), (110, 802), (220, 401)]