82130800

素因数分解:

$2^4\times 5^2\times {\mathrm{205327}}^1$

素因数の和:205345

約数の個数: 30

約数和(自身を含む): 197320208

約数和(自身を除く): 115189408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 205327, 410654, 821308, 1026635, 1642616, 2053270, 3285232, 4106540, 5133175, 8213080, 10266350, 16426160, 20532700, 41065400, 82130800]

約数ペア:

[(1, 82130800), (2, 41065400), (4, 20532700), (5, 16426160), (8, 10266350), (10, 8213080), (16, 5133175), (20, 4106540), (25, 3285232), (40, 2053270), (50, 1642616), (80, 1026635), (100, 821308), (200, 410654), (400, 205327)]