168552680

素因数分解:

$2^3\times 5^1\times {\mathrm{4213817}}^1$

素因数の和:4213828

約数の個数: 16

約数和(自身を含む): 379243620

約数和(自身を除く): 210690940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4213817, 8427634, 16855268, 21069085, 33710536, 42138170, 84276340, 168552680]

約数ペア:

[(1, 168552680), (2, 84276340), (4, 42138170), (5, 33710536), (8, 21069085), (10, 16855268), (20, 8427634), (40, 4213817)]