77936000

素因数分解:

$2^7\times 5^3\times {\mathrm{4871}}^1$

素因数の和:4900

約数の個数: 64

約数和(自身を含む): 193808160

約数和(自身を除く): 115872160

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, 500, 640, 800, 1000, 1600, 2000, 3200, 4000, 4871, 8000, 9742, 16000, 19484, 24355, 38968, 48710, 77936, 97420, 121775, 155872, 194840, 243550, 311744, 389680, 487100, 608875, 623488, 779360, 974200, 1217750, 1558720, 1948400, 2435500, 3117440, 3896800, 4871000, 7793600, 9742000, 15587200, 19484000, 38968000, 77936000]

約数ペア:

[(1, 77936000), (2, 38968000), (4, 19484000), (5, 15587200), (8, 9742000), (10, 7793600), (16, 4871000), (20, 3896800), (25, 3117440), (32, 2435500), (40, 1948400), (50, 1558720), (64, 1217750), (80, 974200), (100, 779360), (125, 623488), (128, 608875), (160, 487100), (200, 389680), (250, 311744), (320, 243550), (400, 194840), (500, 155872), (640, 121775), (800, 97420), (1000, 77936), (1600, 48710), (2000, 38968), (3200, 24355), (4000, 19484), (4871, 16000), (8000, 9742)]