80851930

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{18251}}^1$

素因数の和:18701

約数の個数: 16

約数和(自身を含む): 145869984

約数和(自身を除く): 65018054

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 18251, 36502, 91255, 182510, 8085193, 16170386, 40425965, 80851930]

約数ペア:

[(1, 80851930), (2, 40425965), (5, 16170386), (10, 8085193), (443, 182510), (886, 91255), (2215, 36502), (4430, 18251)]