12500290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5981}}^1$

素因数の和:6018

約数の個数: 32

約数和(自身を含む): 25842240

約数和(自身を除く): 13341950

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 5981, 11962, 29905, 59810, 65791, 113639, 131582, 227278, 328955, 568195, 657910, 1136390, 1250029, 2500058, 6250145, 12500290]

約数ペア:

[(1, 12500290), (2, 6250145), (5, 2500058), (10, 1250029), (11, 1136390), (19, 657910), (22, 568195), (38, 328955), (55, 227278), (95, 131582), (110, 113639), (190, 65791), (209, 59810), (418, 29905), (1045, 11962), (2090, 5981)]