86871140

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{16901}}^1$

素因数の和:17167

約数の個数: 24

約数和(自身を含む): 183150072

約数和(自身を除く): 96278932

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 16901, 33802, 67604, 84505, 169010, 338020, 4343557, 8687114, 17374228, 21717785, 43435570, 86871140]

約数ペア:

[(1, 86871140), (2, 43435570), (4, 21717785), (5, 17374228), (10, 8687114), (20, 4343557), (257, 338020), (514, 169010), (1028, 84505), (1285, 67604), (2570, 33802), (5140, 16901)]