55840000

素因数分解:

$2^8\times 5^4\times {\mathrm{349}}^1$

素因数の和:385

約数の個数: 90

約数和(自身を含む): 139681850

約数和(自身を除く): 83841850

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 349, 400, 500, 625, 640, 698, 800, 1000, 1250, 1280, 1396, 1600, 1745, 2000, 2500, 2792, 3200, 3490, 4000, 5000, 5584, 6400, 6980, 8000, 8725, 10000, 11168, 13960, 16000, 17450, 20000, 22336, 27920, 32000, 34900, 40000, 43625, 44672, 55840, 69800, 80000, 87250, 89344, 111680, 139600, 160000, 174500, 218125, 223360, 279200, 349000, 436250, 446720, 558400, 698000, 872500, 1116800, 1396000, 1745000, 2233600, 2792000, 3490000, 5584000, 6980000, 11168000, 13960000, 27920000, 55840000]

約数ペア:

[(1, 55840000), (2, 27920000), (4, 13960000), (5, 11168000), (8, 6980000), (10, 5584000), (16, 3490000), (20, 2792000), (25, 2233600), (32, 1745000), (40, 1396000), (50, 1116800), (64, 872500), (80, 698000), (100, 558400), (125, 446720), (128, 436250), (160, 349000), (200, 279200), (250, 223360), (256, 218125), (320, 174500), (349, 160000), (400, 139600), (500, 111680), (625, 89344), (640, 87250), (698, 80000), (800, 69800), (1000, 55840), (1250, 44672), (1280, 43625), (1396, 40000), (1600, 34900), (1745, 32000), (2000, 27920), (2500, 22336), (2792, 20000), (3200, 17450), (3490, 16000), (4000, 13960), (5000, 11168), (5584, 10000), (6400, 8725), (6980, 8000)]