157467280

素因数分解:

$2^4\times 5^1\times {\mathrm{1968341}}^1$

素因数の和:1968354

約数の個数: 20

約数和(自身を含む): 366111612

約数和(自身を除く): 208644332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1968341, 3936682, 7873364, 9841705, 15746728, 19683410, 31493456, 39366820, 78733640, 157467280]

約数ペア:

[(1, 157467280), (2, 78733640), (4, 39366820), (5, 31493456), (8, 19683410), (10, 15746728), (16, 9841705), (20, 7873364), (40, 3936682), (80, 1968341)]