80010640

素因数分解:

$2^4\times 5^1\times {\mathrm{1000133}}^1$

素因数の和:1000146

約数の個数: 20

約数和(自身を含む): 186024924

約数和(自身を除く): 106014284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1000133, 2000266, 4000532, 5000665, 8001064, 10001330, 16002128, 20002660, 40005320, 80010640]

約数ペア:

[(1, 80010640), (2, 40005320), (4, 20002660), (5, 16002128), (8, 10001330), (10, 8001064), (16, 5000665), (20, 4000532), (40, 2000266), (80, 1000133)]