27796840

素因数分解:

$2^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{883}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 62693280

約数和(自身を除く): 34896440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 787, 883, 1574, 1766, 3148, 3532, 3935, 4415, 6296, 7064, 7870, 8830, 15740, 17660, 31480, 35320, 694921, 1389842, 2779684, 3474605, 5559368, 6949210, 13898420, 27796840]

約数ペア:

[(1, 27796840), (2, 13898420), (4, 6949210), (5, 5559368), (8, 3474605), (10, 2779684), (20, 1389842), (40, 694921), (787, 35320), (883, 31480), (1574, 17660), (1766, 15740), (3148, 8830), (3532, 7870), (3935, 7064), (4415, 6296)]