20225050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 40265280

約数和(自身を除く): 20040230

約数列:

[1, 2, 5, 10, 23, 25, 43, 46, 50, 86, 115, 215, 230, 409, 430, 575, 818, 989, 1075, 1150, 1978, 2045, 2150, 4090, 4945, 9407, 9890, 10225, 17587, 18814, 20450, 24725, 35174, 47035, 49450, 87935, 94070, 175870, 235175, 404501, 439675, 470350, 809002, 879350, 2022505, 4045010, 10112525, 20225050]

約数ペア:

[(1, 20225050), (2, 10112525), (5, 4045010), (10, 2022505), (23, 879350), (25, 809002), (43, 470350), (46, 439675), (50, 404501), (86, 235175), (115, 175870), (215, 94070), (230, 87935), (409, 49450), (430, 47035), (575, 35174), (818, 24725), (989, 20450), (1075, 18814), (1150, 17587), (1978, 10225), (2045, 9890), (2150, 9407), (4090, 4945)]