79565680

素因数分解:

$2^4\times 5^1\times {\mathrm{994571}}^1$

素因数の和:994584

約数の個数: 20

約数和(自身を含む): 184990392

約数和(自身を除く): 105424712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 994571, 1989142, 3978284, 4972855, 7956568, 9945710, 15913136, 19891420, 39782840, 79565680]

約数ペア:

[(1, 79565680), (2, 39782840), (4, 19891420), (5, 15913136), (8, 9945710), (10, 7956568), (16, 4972855), (20, 3978284), (40, 1989142), (80, 994571)]