84991720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193163}}^1$

素因数の和:193185

約数の個数: 32

約数和(自身を含む): 208617120

約数和(自身を除く): 123625400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 193163, 386326, 772652, 965815, 1545304, 1931630, 2124793, 3863260, 4249586, 7726520, 8499172, 10623965, 16998344, 21247930, 42495860, 84991720]

約数ペア:

[(1, 84991720), (2, 42495860), (4, 21247930), (5, 16998344), (8, 10623965), (10, 8499172), (11, 7726520), (20, 4249586), (22, 3863260), (40, 2124793), (44, 1931630), (55, 1545304), (88, 965815), (110, 772652), (220, 386326), (440, 193163)]