79236440

素因数分解:

$2^3\times 5^1\times {\mathrm{1980911}}^1$

素因数の和:1980922

約数の個数: 16

約数和(自身を含む): 178282080

約数和(自身を除く): 99045640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1980911, 3961822, 7923644, 9904555, 15847288, 19809110, 39618220, 79236440]

約数ペア:

[(1, 79236440), (2, 39618220), (4, 19809110), (5, 15847288), (8, 9904555), (10, 7923644), (20, 3961822), (40, 1980911)]