1489664560

素因数分解:

$2^4\times 5^1\times {\mathrm{18620807}}^1$

素因数の和:18620820

約数の個数: 20

約数和(自身を含む): 3463470288

約数和(自身を除く): 1973805728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 18620807, 37241614, 74483228, 93104035, 148966456, 186208070, 297932912, 372416140, 744832280, 1489664560]

約数ペア:

[(1, 1489664560), (2, 744832280), (4, 372416140), (5, 297932912), (8, 186208070), (10, 148966456), (16, 93104035), (20, 74483228), (40, 37241614), (80, 18620807)]