16075180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 37285920

約数和(自身を除く): 21210740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 821, 890, 979, 1642, 1780, 1958, 3284, 3916, 4105, 4895, 8210, 9031, 9790, 16420, 18062, 19580, 36124, 45155, 73069, 90310, 146138, 180620, 292276, 365345, 730690, 803759, 1461380, 1607518, 3215036, 4018795, 8037590, 16075180]

約数ペア:

[(1, 16075180), (2, 8037590), (4, 4018795), (5, 3215036), (10, 1607518), (11, 1461380), (20, 803759), (22, 730690), (44, 365345), (55, 292276), (89, 180620), (110, 146138), (178, 90310), (220, 73069), (356, 45155), (445, 36124), (821, 19580), (890, 18062), (979, 16420), (1642, 9790), (1780, 9031), (1958, 8210), (3284, 4895), (3916, 4105)]