80702320

素因数分解:

$2^4\times 5^1\times {\mathrm{1008779}}^1$

素因数の和:1008792

約数の個数: 20

約数和(自身を含む): 187633080

約数和(自身を除く): 106930760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1008779, 2017558, 4035116, 5043895, 8070232, 10087790, 16140464, 20175580, 40351160, 80702320]

約数ペア:

[(1, 80702320), (2, 40351160), (4, 20175580), (5, 16140464), (8, 10087790), (10, 8070232), (16, 5043895), (20, 4035116), (40, 2017558), (80, 1008779)]