11655640

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1381}}^1$

素因数の和:1603

約数の個数: 32

約数和(自身を含む): 26368560

約数和(自身を除く): 14712920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1381, 1688, 2110, 2762, 4220, 5524, 6905, 8440, 11048, 13810, 27620, 55240, 291391, 582782, 1165564, 1456955, 2331128, 2913910, 5827820, 11655640]

約数ペア:

[(1, 11655640), (2, 5827820), (4, 2913910), (5, 2331128), (8, 1456955), (10, 1165564), (20, 582782), (40, 291391), (211, 55240), (422, 27620), (844, 13810), (1055, 11048), (1381, 8440), (1688, 6905), (2110, 5524), (2762, 4220)]