6855640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15581}}^1$

素因数の和:15603

約数の個数: 32

約数和(自身を含む): 16828560

約数和(自身を除く): 9972920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 15581, 31162, 62324, 77905, 124648, 155810, 171391, 311620, 342782, 623240, 685564, 856955, 1371128, 1713910, 3427820, 6855640]

約数ペア:

[(1, 6855640), (2, 3427820), (4, 1713910), (5, 1371128), (8, 856955), (10, 685564), (11, 623240), (20, 342782), (22, 311620), (40, 171391), (44, 155810), (55, 124648), (88, 77905), (110, 62324), (220, 31162), (440, 15581)]