79914220

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{9491}}^1$

素因数の和:9921

約数の個数: 24

約数和(自身を含む): 168236208

約数和(自身を除く): 88321988

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 9491, 18982, 37964, 47455, 94910, 189820, 3995711, 7991422, 15982844, 19978555, 39957110, 79914220]

約数ペア:

[(1, 79914220), (2, 39957110), (4, 19978555), (5, 15982844), (10, 7991422), (20, 3995711), (421, 189820), (842, 94910), (1684, 47455), (2105, 37964), (4210, 18982), (8420, 9491)]