81305270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2017}}^1$

素因数の和:2192

約数の個数: 32

約数和(自身を含む): 152560800

約数和(自身を除く): 71255530

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 2017, 4031, 4034, 8062, 10085, 20155, 20170, 40310, 58493, 116986, 280363, 292465, 560726, 584930, 1401815, 2803630, 8130527, 16261054, 40652635, 81305270]

約数ペア:

[(1, 81305270), (2, 40652635), (5, 16261054), (10, 8130527), (29, 2803630), (58, 1401815), (139, 584930), (145, 560726), (278, 292465), (290, 280363), (695, 116986), (1390, 58493), (2017, 40310), (4031, 20170), (4034, 20155), (8062, 10085)]