156673420

素因数分解:

$2^2\times 5^1\times {\mathrm{7833671}}^1$

素因数の和:7833680

約数の個数: 12

約数和(自身を含む): 329014224

約数和(自身を除く): 172340804

約数列:

[1, 2, 4, 5, 10, 20, 7833671, 15667342, 31334684, 39168355, 78336710, 156673420]

約数ペア:

[(1, 156673420), (2, 78336710), (4, 39168355), (5, 31334684), (10, 15667342), (20, 7833671)]