16843480

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{977}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 38024640

約数和(自身を除く): 21181160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 977, 1724, 1954, 2155, 3448, 3908, 4310, 4885, 7816, 8620, 9770, 17240, 19540, 39080, 421087, 842174, 1684348, 2105435, 3368696, 4210870, 8421740, 16843480]

約数ペア:

[(1, 16843480), (2, 8421740), (4, 4210870), (5, 3368696), (8, 2105435), (10, 1684348), (20, 842174), (40, 421087), (431, 39080), (862, 19540), (977, 17240), (1724, 9770), (1954, 8620), (2155, 7816), (3448, 4885), (3908, 4310)]