128045180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{336961}}^1$

素因数の和:336989

約数の個数: 24

約数和(自身を含む): 283048080

約数和(自身を除く): 155002900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 336961, 673922, 1347844, 1684805, 3369610, 6402259, 6739220, 12804518, 25609036, 32011295, 64022590, 128045180]

約数ペア:

[(1, 128045180), (2, 64022590), (4, 32011295), (5, 25609036), (10, 12804518), (19, 6739220), (20, 6402259), (38, 3369610), (76, 1684805), (95, 1347844), (190, 673922), (380, 336961)]