79910800

素因数分解:

$2^4\times 5^2\times {\mathrm{199777}}^1$

素因数の和:199795

約数の個数: 30

約数和(自身を含む): 191986658

約数和(自身を除く): 112075858

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 199777, 399554, 799108, 998885, 1598216, 1997770, 3196432, 3995540, 4994425, 7991080, 9988850, 15982160, 19977700, 39955400, 79910800]

約数ペア:

[(1, 79910800), (2, 39955400), (4, 19977700), (5, 15982160), (8, 9988850), (10, 7991080), (16, 4994425), (20, 3995540), (25, 3196432), (40, 1997770), (50, 1598216), (80, 998885), (100, 799108), (200, 399554), (400, 199777)]