2016380225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 2690452800

約数和(自身を除く): 674072575

約数列:

[1, 5, 19, 25, 95, 97, 107, 409, 475, 485, 535, 1843, 2033, 2045, 2425, 2675, 7771, 9215, 10165, 10225, 10379, 38855, 39673, 43763, 46075, 50825, 51895, 194275, 197201, 198365, 218815, 259475, 753787, 831497, 986005, 991825, 1094075, 3768935, 4157485, 4245011, 4930025, 18844675, 20787425, 21225055, 80655209, 106125275, 403276045, 2016380225]

約数ペア:

[(1, 2016380225), (5, 403276045), (19, 106125275), (25, 80655209), (95, 21225055), (97, 20787425), (107, 18844675), (409, 4930025), (475, 4245011), (485, 4157485), (535, 3768935), (1843, 1094075), (2033, 991825), (2045, 986005), (2425, 831497), (2675, 753787), (7771, 259475), (9215, 218815), (10165, 198365), (10225, 197201), (10379, 194275), (38855, 51895), (39673, 50825), (43763, 46075)]