159269680

素因数分解:

$2^4\times 5^1\times {\mathrm{1990871}}^1$

素因数の和:1990884

約数の個数: 20

約数和(自身を含む): 370302192

約数和(自身を除く): 211032512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1990871, 3981742, 7963484, 9954355, 15926968, 19908710, 31853936, 39817420, 79634840, 159269680]

約数ペア:

[(1, 159269680), (2, 79634840), (4, 39817420), (5, 31853936), (8, 19908710), (10, 15926968), (16, 9954355), (20, 7963484), (40, 3981742), (80, 1990871)]