157213480

素因数分解:

$2^3\times 5^1\times {\mathrm{3930337}}^1$

素因数の和:3930348

約数の個数: 16

約数和(自身を含む): 353730420

約数和(自身を除く): 196516940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3930337, 7860674, 15721348, 19651685, 31442696, 39303370, 78606740, 157213480]

約数ペア:

[(1, 157213480), (2, 78606740), (4, 39303370), (5, 31442696), (8, 19651685), (10, 15721348), (20, 7860674), (40, 3930337)]