11240840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21617}}^1$

素因数の和:21641

約数の個数: 32

約数和(自身を含む): 27238680

約数和(自身を除く): 15997840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 21617, 43234, 86468, 108085, 172936, 216170, 281021, 432340, 562042, 864680, 1124084, 1405105, 2248168, 2810210, 5620420, 11240840]

約数ペア:

[(1, 11240840), (2, 5620420), (4, 2810210), (5, 2248168), (8, 1405105), (10, 1124084), (13, 864680), (20, 562042), (26, 432340), (40, 281021), (52, 216170), (65, 172936), (104, 108085), (130, 86468), (260, 43234), (520, 21617)]