80453445220

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{9555041}}^1$

素因数の和:9555471

約数の個数: 24

約数和(自身を含む): 169353564408

約数和(自身を除く): 88900119188

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 9555041, 19110082, 38220164, 47775205, 95550410, 191100820, 4022672261, 8045344522, 16090689044, 20113361305, 40226722610, 80453445220]

約数ペア:

[(1, 80453445220), (2, 40226722610), (4, 20113361305), (5, 16090689044), (10, 8045344522), (20, 4022672261), (421, 191100820), (842, 95550410), (1684, 47775205), (2105, 38220164), (4210, 19110082), (8420, 9555041)]