138782720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13553}}^1$

素因数の和:13580

約数の個数: 48

約数和(自身を含む): 333021780

約数和(自身を除く): 194239060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 13553, 27106, 54212, 67765, 108424, 135530, 216848, 271060, 433696, 542120, 867392, 1084240, 1734784, 2168480, 3469568, 4336960, 6939136, 8673920, 13878272, 17347840, 27756544, 34695680, 69391360, 138782720]

約数ペア:

[(1, 138782720), (2, 69391360), (4, 34695680), (5, 27756544), (8, 17347840), (10, 13878272), (16, 8673920), (20, 6939136), (32, 4336960), (40, 3469568), (64, 2168480), (80, 1734784), (128, 1084240), (160, 867392), (256, 542120), (320, 433696), (512, 271060), (640, 216848), (1024, 135530), (1280, 108424), (2048, 67765), (2560, 54212), (5120, 27106), (10240, 13553)]