157067840

素因数分解:

$2^6\times 5^1\times {\mathrm{490837}}^1$

素因数の和:490854

約数の個数: 28

約数和(自身を含む): 374018556

約数和(自身を除く): 216950716

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 490837, 981674, 1963348, 2454185, 3926696, 4908370, 7853392, 9816740, 15706784, 19633480, 31413568, 39266960, 78533920, 157067840]

約数ペア:

[(1, 157067840), (2, 78533920), (4, 39266960), (5, 31413568), (8, 19633480), (10, 15706784), (16, 9816740), (20, 7853392), (32, 4908370), (40, 3926696), (64, 2454185), (80, 1963348), (160, 981674), (320, 490837)]