11128340

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4003}}^1$

素因数の和:4151

約数の個数: 24

約数和(自身を含む): 23543520

約数和(自身を除く): 12415180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4003, 8006, 16012, 20015, 40030, 80060, 556417, 1112834, 2225668, 2782085, 5564170, 11128340]

約数ペア:

[(1, 11128340), (2, 5564170), (4, 2782085), (5, 2225668), (10, 1112834), (20, 556417), (139, 80060), (278, 40030), (556, 20015), (695, 16012), (1390, 8006), (2780, 4003)]