260048720

素因数分解:

$2^4\times 5^1\times {\mathrm{3250609}}^1$

素因数の和:3250622

約数の個数: 20

約数和(自身を含む): 604613460

約数和(自身を除く): 344564740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3250609, 6501218, 13002436, 16253045, 26004872, 32506090, 52009744, 65012180, 130024360, 260048720]

約数ペア:

[(1, 260048720), (2, 130024360), (4, 65012180), (5, 52009744), (8, 32506090), (10, 26004872), (16, 16253045), (20, 13002436), (40, 6501218), (80, 3250609)]