55757440

素因数分解:

$2^7\times 5^1\times {\mathrm{87121}}^1$

素因数の和:87140

約数の個数: 32

約数和(自身を含む): 133296660

約数和(自身を除く): 77539220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 87121, 174242, 348484, 435605, 696968, 871210, 1393936, 1742420, 2787872, 3484840, 5575744, 6969680, 11151488, 13939360, 27878720, 55757440]

約数ペア:

[(1, 55757440), (2, 27878720), (4, 13939360), (5, 11151488), (8, 6969680), (10, 5575744), (16, 3484840), (20, 2787872), (32, 1742420), (40, 1393936), (64, 871210), (80, 696968), (128, 435605), (160, 348484), (320, 174242), (640, 87121)]