80081840

素因数分解:

$2^4\times 5^1\times {\mathrm{1001023}}^1$

素因数の和:1001036

約数の個数: 20

約数和(自身を含む): 186190464

約数和(自身を除く): 106108624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1001023, 2002046, 4004092, 5005115, 8008184, 10010230, 16016368, 20020460, 40040920, 80081840]

約数ペア:

[(1, 80081840), (2, 40040920), (4, 20020460), (5, 16016368), (8, 10010230), (10, 8008184), (16, 5005115), (20, 4004092), (40, 2002046), (80, 1001023)]