55821440

素因数分解:

$2^7\times 5^1\times {\mathrm{87221}}^1$

素因数の和:87240

約数の個数: 32

約数和(自身を含む): 133449660

約数和(自身を除く): 77628220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 87221, 174442, 348884, 436105, 697768, 872210, 1395536, 1744420, 2791072, 3488840, 5582144, 6977680, 11164288, 13955360, 27910720, 55821440]

約数ペア:

[(1, 55821440), (2, 27910720), (4, 13955360), (5, 11164288), (8, 6977680), (10, 5582144), (16, 3488840), (20, 2791072), (32, 1744420), (40, 1395536), (64, 872210), (80, 697768), (128, 436105), (160, 348884), (320, 174442), (640, 87221)]