2190220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2671}}^1$

素因数の和:2721

約数の個数: 24

約数和(自身を含む): 4713408

約数和(自身を除く): 2523188

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2671, 5342, 10684, 13355, 26710, 53420, 109511, 219022, 438044, 547555, 1095110, 2190220]

約数ペア:

[(1, 2190220), (2, 1095110), (4, 547555), (5, 438044), (10, 219022), (20, 109511), (41, 53420), (82, 26710), (164, 13355), (205, 10684), (410, 5342), (820, 2671)]