55384840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197803}}^1$

素因数の和:197821

約数の個数: 32

約数和(自身を含む): 142418880

約数和(自身を除く): 87034040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 197803, 395606, 791212, 989015, 1384621, 1582424, 1978030, 2769242, 3956060, 5538484, 6923105, 7912120, 11076968, 13846210, 27692420, 55384840]

約数ペア:

[(1, 55384840), (2, 27692420), (4, 13846210), (5, 11076968), (7, 7912120), (8, 6923105), (10, 5538484), (14, 3956060), (20, 2769242), (28, 1978030), (35, 1582424), (40, 1384621), (56, 989015), (70, 791212), (140, 395606), (280, 197803)]