80495320

素因数分解:

$2^3\times 5^1\times {\mathrm{2012383}}^1$

素因数の和:2012394

約数の個数: 16

約数和(自身を含む): 181114560

約数和(自身を除く): 100619240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2012383, 4024766, 8049532, 10061915, 16099064, 20123830, 40247660, 80495320]

約数ペア:

[(1, 80495320), (2, 40247660), (4, 20123830), (5, 16099064), (8, 10061915), (10, 8049532), (20, 4024766), (40, 2012383)]