3945500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{607}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 9295104

約数和(自身を除く): 5349604

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 607, 650, 1214, 1300, 1625, 2428, 3035, 3250, 6070, 6500, 7891, 12140, 15175, 15782, 30350, 31564, 39455, 60700, 75875, 78910, 151750, 157820, 197275, 303500, 394550, 789100, 986375, 1972750, 3945500]

約数ペア:

[(1, 3945500), (2, 1972750), (4, 986375), (5, 789100), (10, 394550), (13, 303500), (20, 197275), (25, 157820), (26, 151750), (50, 78910), (52, 75875), (65, 60700), (100, 39455), (125, 31564), (130, 30350), (250, 15782), (260, 15175), (325, 12140), (500, 7891), (607, 6500), (650, 6070), (1214, 3250), (1300, 3035), (1625, 2428)]