159308720

素因数分解:

$2^4\times 5^1\times {\mathrm{1991359}}^1$

素因数の和:1991372

約数の個数: 20

約数和(自身を含む): 370392960

約数和(自身を除く): 211084240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1991359, 3982718, 7965436, 9956795, 15930872, 19913590, 31861744, 39827180, 79654360, 159308720]

約数ペア:

[(1, 159308720), (2, 79654360), (4, 39827180), (5, 31861744), (8, 19913590), (10, 15930872), (16, 9956795), (20, 7965436), (40, 3982718), (80, 1991359)]