11216120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6521}}^1$

素因数の和:6575

約数の個数: 32

約数和(自身を含む): 25827120

約数和(自身を除く): 14611000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 6521, 13042, 26084, 32605, 52168, 65210, 130420, 260840, 280403, 560806, 1121612, 1402015, 2243224, 2804030, 5608060, 11216120]

約数ペア:

[(1, 11216120), (2, 5608060), (4, 2804030), (5, 2243224), (8, 1402015), (10, 1121612), (20, 560806), (40, 280403), (43, 260840), (86, 130420), (172, 65210), (215, 52168), (344, 32605), (430, 26084), (860, 13042), (1720, 6521)]