80080240

素因数分解:

$2^4\times 5^1\times {\mathrm{1001003}}^1$

素因数の和:1001016

約数の個数: 20

約数和(自身を含む): 186186744

約数和(自身を除く): 106106504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1001003, 2002006, 4004012, 5005015, 8008024, 10010030, 16016048, 20020060, 40040120, 80080240]

約数ペア:

[(1, 80080240), (2, 40040120), (4, 20020060), (5, 16016048), (8, 10010030), (10, 8008024), (16, 5005015), (20, 4004012), (40, 2002006), (80, 1001003)]