20110510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12491}}^1$

素因数の和:12528

約数の個数: 32

約数和(自身を含む): 43172352

約数和(自身を除く): 23061842

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12491, 24982, 62455, 87437, 124910, 174874, 287293, 437185, 574586, 874370, 1436465, 2011051, 2872930, 4022102, 10055255, 20110510]

約数ペア:

[(1, 20110510), (2, 10055255), (5, 4022102), (7, 2872930), (10, 2011051), (14, 1436465), (23, 874370), (35, 574586), (46, 437185), (70, 287293), (115, 174874), (161, 124910), (230, 87437), (322, 62455), (805, 24982), (1610, 12491)]