56138020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 121701888

約数和(自身を除く): 65563868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 223, 307, 410, 446, 614, 820, 892, 1115, 1228, 1535, 2230, 3070, 4460, 6140, 9143, 12587, 18286, 25174, 36572, 45715, 50348, 62935, 68461, 91430, 125870, 136922, 182860, 251740, 273844, 342305, 684610, 1369220, 2806901, 5613802, 11227604, 14034505, 28069010, 56138020]

約数ペア:

[(1, 56138020), (2, 28069010), (4, 14034505), (5, 11227604), (10, 5613802), (20, 2806901), (41, 1369220), (82, 684610), (164, 342305), (205, 273844), (223, 251740), (307, 182860), (410, 136922), (446, 125870), (614, 91430), (820, 68461), (892, 62935), (1115, 50348), (1228, 45715), (1535, 36572), (2230, 25174), (3070, 18286), (4460, 12587), (6140, 9143)]