80819600

素因数分解:

$2^4\times 5^2\times {\mathrm{202049}}^1$

素因数の和:202067

約数の個数: 30

約数和(自身を含む): 194170050

約数和(自身を除く): 113350450

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 202049, 404098, 808196, 1010245, 1616392, 2020490, 3232784, 4040980, 5051225, 8081960, 10102450, 16163920, 20204900, 40409800, 80819600]

約数ペア:

[(1, 80819600), (2, 40409800), (4, 20204900), (5, 16163920), (8, 10102450), (10, 8081960), (16, 5051225), (20, 4040980), (25, 3232784), (40, 2020490), (50, 1616392), (80, 1010245), (100, 808196), (200, 404098), (400, 202049)]