20585000

素因数分解:

$2^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 50608800

約数和(自身を除く): 30023800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 179, 184, 200, 230, 250, 358, 460, 500, 575, 625, 716, 895, 920, 1000, 1150, 1250, 1432, 1790, 2300, 2500, 2875, 3580, 4117, 4475, 4600, 5000, 5750, 7160, 8234, 8950, 11500, 14375, 16468, 17900, 20585, 22375, 23000, 28750, 32936, 35800, 41170, 44750, 57500, 82340, 89500, 102925, 111875, 115000, 164680, 179000, 205850, 223750, 411700, 447500, 514625, 823400, 895000, 1029250, 2058500, 2573125, 4117000, 5146250, 10292500, 20585000]

約数ペア:

[(1, 20585000), (2, 10292500), (4, 5146250), (5, 4117000), (8, 2573125), (10, 2058500), (20, 1029250), (23, 895000), (25, 823400), (40, 514625), (46, 447500), (50, 411700), (92, 223750), (100, 205850), (115, 179000), (125, 164680), (179, 115000), (184, 111875), (200, 102925), (230, 89500), (250, 82340), (358, 57500), (460, 44750), (500, 41170), (575, 35800), (625, 32936), (716, 28750), (895, 23000), (920, 22375), (1000, 20585), (1150, 17900), (1250, 16468), (1432, 14375), (1790, 11500), (2300, 8950), (2500, 8234), (2875, 7160), (3580, 5750), (4117, 5000), (4475, 4600)]