800401520

素因数分解:

$2^4\times 5^1\times {\mathrm{10005019}}^1$

素因数の和:10005032

約数の個数: 20

約数和(自身を含む): 1860933720

約数和(自身を除く): 1060532200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10005019, 20010038, 40020076, 50025095, 80040152, 100050190, 160080304, 200100380, 400200760, 800401520]

約数ペア:

[(1, 800401520), (2, 400200760), (4, 200100380), (5, 160080304), (8, 100050190), (10, 80040152), (16, 50025095), (20, 40020076), (40, 20010038), (80, 10005019)]