12557440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{2803}}^1$

素因数の和:2829

約数の個数: 64

約数和(自身を含む): 34320960

約数和(自身を除く): 21763520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 2803, 4480, 5606, 11212, 14015, 19621, 22424, 28030, 39242, 44848, 56060, 78484, 89696, 98105, 112120, 156968, 179392, 196210, 224240, 313936, 358784, 392420, 448480, 627872, 784840, 896960, 1255744, 1569680, 1793920, 2511488, 3139360, 6278720, 12557440]

約数ペア:

[(1, 12557440), (2, 6278720), (4, 3139360), (5, 2511488), (7, 1793920), (8, 1569680), (10, 1255744), (14, 896960), (16, 784840), (20, 627872), (28, 448480), (32, 392420), (35, 358784), (40, 313936), (56, 224240), (64, 196210), (70, 179392), (80, 156968), (112, 112120), (128, 98105), (140, 89696), (160, 78484), (224, 56060), (280, 44848), (320, 39242), (448, 28030), (560, 22424), (640, 19621), (896, 14015), (1120, 11212), (2240, 5606), (2803, 4480)]