8950000

素因数分解:

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

素因数の和:212

約数の個数: 60

約数和(自身を含む): 21795480

約数和(自身を除く): 12845480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 179, 200, 250, 358, 400, 500, 625, 716, 895, 1000, 1250, 1432, 1790, 2000, 2500, 2864, 3125, 3580, 4475, 5000, 6250, 7160, 8950, 10000, 12500, 14320, 17900, 22375, 25000, 35800, 44750, 50000, 71600, 89500, 111875, 179000, 223750, 358000, 447500, 559375, 895000, 1118750, 1790000, 2237500, 4475000, 8950000]

約数ペア:

[(1, 8950000), (2, 4475000), (4, 2237500), (5, 1790000), (8, 1118750), (10, 895000), (16, 559375), (20, 447500), (25, 358000), (40, 223750), (50, 179000), (80, 111875), (100, 89500), (125, 71600), (179, 50000), (200, 44750), (250, 35800), (358, 25000), (400, 22375), (500, 17900), (625, 14320), (716, 12500), (895, 10000), (1000, 8950), (1250, 7160), (1432, 6250), (1790, 5000), (2000, 4475), (2500, 3580), (2864, 3125)]