320828000

素因数分解:

$2^5\times 5^3\times {\mathrm{80207}}^1$

素因数の和:80232

約数の個数: 48

約数和(自身を含む): 788284224

約数和(自身を除く): 467456224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 80207, 160414, 320828, 401035, 641656, 802070, 1283312, 1604140, 2005175, 2566624, 3208280, 4010350, 6416560, 8020700, 10025875, 12833120, 16041400, 20051750, 32082800, 40103500, 64165600, 80207000, 160414000, 320828000]

約数ペア:

[(1, 320828000), (2, 160414000), (4, 80207000), (5, 64165600), (8, 40103500), (10, 32082800), (16, 20051750), (20, 16041400), (25, 12833120), (32, 10025875), (40, 8020700), (50, 6416560), (80, 4010350), (100, 3208280), (125, 2566624), (160, 2005175), (200, 1604140), (250, 1283312), (400, 802070), (500, 641656), (800, 401035), (1000, 320828), (2000, 160414), (4000, 80207)]