80885000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{2311}}^1$

素因数の和:2344

約数の個数: 80

約数和(自身を含む): 216680640

約数和(自身を除く): 135795640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 625, 700, 875, 1000, 1250, 1400, 1750, 2311, 2500, 3500, 4375, 4622, 5000, 7000, 8750, 9244, 11555, 16177, 17500, 18488, 23110, 32354, 35000, 46220, 57775, 64708, 80885, 92440, 115550, 129416, 161770, 231100, 288875, 323540, 404425, 462200, 577750, 647080, 808850, 1155500, 1444375, 1617700, 2022125, 2311000, 2888750, 3235400, 4044250, 5777500, 8088500, 10110625, 11555000, 16177000, 20221250, 40442500, 80885000]

約数ペア:

[(1, 80885000), (2, 40442500), (4, 20221250), (5, 16177000), (7, 11555000), (8, 10110625), (10, 8088500), (14, 5777500), (20, 4044250), (25, 3235400), (28, 2888750), (35, 2311000), (40, 2022125), (50, 1617700), (56, 1444375), (70, 1155500), (100, 808850), (125, 647080), (140, 577750), (175, 462200), (200, 404425), (250, 323540), (280, 288875), (350, 231100), (500, 161770), (625, 129416), (700, 115550), (875, 92440), (1000, 80885), (1250, 64708), (1400, 57775), (1750, 46220), (2311, 35000), (2500, 32354), (3500, 23110), (4375, 18488), (4622, 17500), (5000, 16177), (7000, 11555), (8750, 9244)]