27725440

素因数分解:

$2^7\times 5^1\times {\mathrm{43321}}^1$

素因数の和:43340

約数の個数: 32

約数和(自身を含む): 66282660

約数和(自身を除く): 38557220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43321, 86642, 173284, 216605, 346568, 433210, 693136, 866420, 1386272, 1732840, 2772544, 3465680, 5545088, 6931360, 13862720, 27725440]

約数ペア:

[(1, 27725440), (2, 13862720), (4, 6931360), (5, 5545088), (8, 3465680), (10, 2772544), (16, 1732840), (20, 1386272), (32, 866420), (40, 693136), (64, 433210), (80, 346568), (128, 216605), (160, 173284), (320, 86642), (640, 43321)]