7873220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20719}}^1$

素因数の和:20747

約数の個数: 24

約数和(自身を含む): 17404800

約数和(自身を除く): 9531580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20719, 41438, 82876, 103595, 207190, 393661, 414380, 787322, 1574644, 1968305, 3936610, 7873220]

約数ペア:

[(1, 7873220), (2, 3936610), (4, 1968305), (5, 1574644), (10, 787322), (19, 414380), (20, 393661), (38, 207190), (76, 103595), (95, 82876), (190, 41438), (380, 20719)]