155872000

素因数分解:

$2^8\times 5^3\times {\mathrm{4871}}^1$

素因数の和:4902

約数の個数: 72

約数和(自身を含む): 388376352

約数和(自身を除く): 232504352

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, 400, 500, 640, 800, 1000, 1280, 1600, 2000, 3200, 4000, 4871, 6400, 8000, 9742, 16000, 19484, 24355, 32000, 38968, 48710, 77936, 97420, 121775, 155872, 194840, 243550, 311744, 389680, 487100, 608875, 623488, 779360, 974200, 1217750, 1246976, 1558720, 1948400, 2435500, 3117440, 3896800, 4871000, 6234880, 7793600, 9742000, 15587200, 19484000, 31174400, 38968000, 77936000, 155872000]

約数ペア:

[(1, 155872000), (2, 77936000), (4, 38968000), (5, 31174400), (8, 19484000), (10, 15587200), (16, 9742000), (20, 7793600), (25, 6234880), (32, 4871000), (40, 3896800), (50, 3117440), (64, 2435500), (80, 1948400), (100, 1558720), (125, 1246976), (128, 1217750), (160, 974200), (200, 779360), (250, 623488), (256, 608875), (320, 487100), (400, 389680), (500, 311744), (640, 243550), (800, 194840), (1000, 155872), (1280, 121775), (1600, 97420), (2000, 77936), (3200, 48710), (4000, 38968), (4871, 32000), (6400, 24355), (8000, 19484), (9742, 16000)]