40187950

素因数分解:

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

素因数の和:933

約数の個数: 48

約数和(自身を含む): 82561680

約数和(自身を除く): 42373730

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 110, 178, 275, 445, 550, 821, 890, 979, 1642, 1958, 2225, 4105, 4450, 4895, 8210, 9031, 9790, 18062, 20525, 24475, 41050, 45155, 48950, 73069, 90310, 146138, 225775, 365345, 451550, 730690, 803759, 1607518, 1826725, 3653450, 4018795, 8037590, 20093975, 40187950]

約数ペア:

[(1, 40187950), (2, 20093975), (5, 8037590), (10, 4018795), (11, 3653450), (22, 1826725), (25, 1607518), (50, 803759), (55, 730690), (89, 451550), (110, 365345), (178, 225775), (275, 146138), (445, 90310), (550, 73069), (821, 48950), (890, 45155), (979, 41050), (1642, 24475), (1958, 20525), (2225, 18062), (4105, 9790), (4450, 9031), (4895, 8210)]