2019429920

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{115793}}^1$

素因数の和:115917

約数の個数: 48

約数和(自身を含む): 4814714520

約数和(自身を除く): 2795284600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 17440, 115793, 231586, 463172, 578965, 926344, 1157930, 1852688, 2315860, 3705376, 4631720, 9263440, 12621437, 18526880, 25242874, 50485748, 63107185, 100971496, 126214370, 201942992, 252428740, 403885984, 504857480, 1009714960, 2019429920]

約数ペア:

[(1, 2019429920), (2, 1009714960), (4, 504857480), (5, 403885984), (8, 252428740), (10, 201942992), (16, 126214370), (20, 100971496), (32, 63107185), (40, 50485748), (80, 25242874), (109, 18526880), (160, 12621437), (218, 9263440), (436, 4631720), (545, 3705376), (872, 2315860), (1090, 1852688), (1744, 1157930), (2180, 926344), (3488, 578965), (4360, 463172), (8720, 231586), (17440, 115793)]