2087500

素因数分解:

$2^2\times 5^5\times {\mathrm{167}}^1$

素因数の和:196

約数の個数: 36

約数和(自身を含む): 4593456

約数和(自身を除く): 2505956

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 167, 250, 334, 500, 625, 668, 835, 1250, 1670, 2500, 3125, 3340, 4175, 6250, 8350, 12500, 16700, 20875, 41750, 83500, 104375, 208750, 417500, 521875, 1043750, 2087500]

約数ペア:

[(1, 2087500), (2, 1043750), (4, 521875), (5, 417500), (10, 208750), (20, 104375), (25, 83500), (50, 41750), (100, 20875), (125, 16700), (167, 12500), (250, 8350), (334, 6250), (500, 4175), (625, 3340), (668, 3125), (835, 2500), (1250, 1670)]