5665640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 12852000

約数和(自身を除く): 7186360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1019, 1112, 1390, 2038, 2780, 4076, 5095, 5560, 8152, 10190, 20380, 40760, 141641, 283282, 566564, 708205, 1133128, 1416410, 2832820, 5665640]

約数ペア:

[(1, 5665640), (2, 2832820), (4, 1416410), (5, 1133128), (8, 708205), (10, 566564), (20, 283282), (40, 141641), (139, 40760), (278, 20380), (556, 10190), (695, 8152), (1019, 5560), (1112, 5095), (1390, 4076), (2038, 2780)]