38320000

素因数分解:

$2^7\times 5^4\times {\mathrm{479}}^1$

素因数の和:513

約数の個数: 80

約数和(自身を含む): 95594400

約数和(自身を除く): 57274400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 479, 500, 625, 640, 800, 958, 1000, 1250, 1600, 1916, 2000, 2395, 2500, 3200, 3832, 4000, 4790, 5000, 7664, 8000, 9580, 10000, 11975, 15328, 16000, 19160, 20000, 23950, 30656, 38320, 40000, 47900, 59875, 61312, 76640, 80000, 95800, 119750, 153280, 191600, 239500, 299375, 306560, 383200, 479000, 598750, 766400, 958000, 1197500, 1532800, 1916000, 2395000, 3832000, 4790000, 7664000, 9580000, 19160000, 38320000]

約数ペア:

[(1, 38320000), (2, 19160000), (4, 9580000), (5, 7664000), (8, 4790000), (10, 3832000), (16, 2395000), (20, 1916000), (25, 1532800), (32, 1197500), (40, 958000), (50, 766400), (64, 598750), (80, 479000), (100, 383200), (125, 306560), (128, 299375), (160, 239500), (200, 191600), (250, 153280), (320, 119750), (400, 95800), (479, 80000), (500, 76640), (625, 61312), (640, 59875), (800, 47900), (958, 40000), (1000, 38320), (1250, 30656), (1600, 23950), (1916, 20000), (2000, 19160), (2395, 16000), (2500, 15328), (3200, 11975), (3832, 10000), (4000, 9580), (4790, 8000), (5000, 7664)]