70438640

素因数分解:

$2^4\times 5^1\times {\mathrm{880483}}^1$

素因数の和:880496

約数の個数: 20

約数和(自身を含む): 163770024

約数和(自身を除く): 93331384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 880483, 1760966, 3521932, 4402415, 7043864, 8804830, 14087728, 17609660, 35219320, 70438640]

約数ペア:

[(1, 70438640), (2, 35219320), (4, 17609660), (5, 14087728), (8, 8804830), (10, 7043864), (16, 4402415), (20, 3521932), (40, 1760966), (80, 880483)]