11505080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6689}}^1$

素因数の和:6743

約数の個数: 32

約数和(自身を含む): 26492400

約数和(自身を除く): 14987320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 6689, 13378, 26756, 33445, 53512, 66890, 133780, 267560, 287627, 575254, 1150508, 1438135, 2301016, 2876270, 5752540, 11505080]

約数ペア:

[(1, 11505080), (2, 5752540), (4, 2876270), (5, 2301016), (8, 1438135), (10, 1150508), (20, 575254), (40, 287627), (43, 267560), (86, 133780), (172, 66890), (215, 53512), (344, 33445), (430, 26756), (860, 13378), (1720, 6689)]