31880530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12601}}^1$

素因数の和:12642

約数の個数: 32

約数和(自身を含む): 65328768

約数和(自身を除く): 33448238

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 12601, 25202, 63005, 126010, 138611, 277222, 289823, 579646, 693055, 1386110, 1449115, 2898230, 3188053, 6376106, 15940265, 31880530]

約数ペア:

[(1, 31880530), (2, 15940265), (5, 6376106), (10, 3188053), (11, 2898230), (22, 1449115), (23, 1386110), (46, 693055), (55, 579646), (110, 289823), (115, 277222), (230, 138611), (253, 126010), (506, 63005), (1265, 25202), (2530, 12601)]