80518840

素因数分解:

$2^3\times 5^1\times {\mathrm{2012971}}^1$

素因数の和:2012982

約数の個数: 16

約数和(自身を含む): 181167480

約数和(自身を除く): 100648640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2012971, 4025942, 8051884, 10064855, 16103768, 20129710, 40259420, 80518840]

約数ペア:

[(1, 80518840), (2, 40259420), (4, 20129710), (5, 16103768), (8, 10064855), (10, 8051884), (20, 4025942), (40, 2012971)]