15746440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20719}}^1$

素因数の和:20749

約数の個数: 32

約数和(自身を含む): 37296000

約数和(自身を除く): 21549560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20719, 41438, 82876, 103595, 165752, 207190, 393661, 414380, 787322, 828760, 1574644, 1968305, 3149288, 3936610, 7873220, 15746440]

約数ペア:

[(1, 15746440), (2, 7873220), (4, 3936610), (5, 3149288), (8, 1968305), (10, 1574644), (19, 828760), (20, 787322), (38, 414380), (40, 393661), (76, 207190), (95, 165752), (152, 103595), (190, 82876), (380, 41438), (760, 20719)]