102659000

素因数分解:

$2^3\times 5^3\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 241768800

約数和(自身を除く): 139109800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 251, 409, 500, 502, 818, 1000, 1004, 1255, 1636, 2008, 2045, 2510, 3272, 4090, 5020, 6275, 8180, 10040, 10225, 12550, 16360, 20450, 25100, 31375, 40900, 50200, 51125, 62750, 81800, 102250, 102659, 125500, 204500, 205318, 251000, 409000, 410636, 513295, 821272, 1026590, 2053180, 2566475, 4106360, 5132950, 10265900, 12832375, 20531800, 25664750, 51329500, 102659000]

約数ペア:

[(1, 102659000), (2, 51329500), (4, 25664750), (5, 20531800), (8, 12832375), (10, 10265900), (20, 5132950), (25, 4106360), (40, 2566475), (50, 2053180), (100, 1026590), (125, 821272), (200, 513295), (250, 410636), (251, 409000), (409, 251000), (500, 205318), (502, 204500), (818, 125500), (1000, 102659), (1004, 102250), (1255, 81800), (1636, 62750), (2008, 51125), (2045, 50200), (2510, 40900), (3272, 31375), (4090, 25100), (5020, 20450), (6275, 16360), (8180, 12550), (10040, 10225)]