55476760

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3391}}^1$

素因数の和:3811

約数の個数: 32

約数和(自身を含む): 125164800

約数和(自身を除く): 69688040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 3391, 4090, 6782, 8180, 13564, 16360, 16955, 27128, 33910, 67820, 135640, 1386919, 2773838, 5547676, 6934595, 11095352, 13869190, 27738380, 55476760]

約数ペア:

[(1, 55476760), (2, 27738380), (4, 13869190), (5, 11095352), (8, 6934595), (10, 5547676), (20, 2773838), (40, 1386919), (409, 135640), (818, 67820), (1636, 33910), (2045, 27128), (3272, 16955), (3391, 16360), (4090, 13564), (6782, 8180)]